# 0.1 percent of one billion Dollars

What is % of ?

What is out of ?

is % of what?

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Using this tool you can find any percentage in three ways. So, we think you reached us looking for answers like: 1) What is 0.1 percent (%) of one billion? 2) 0.1 is what percent of one billion? Or may be: 0.1 percent of one billion Dollars?

See the solutions to these problems below.

## How to work out percentages - Step by Step

Here are the solutions to the questions stated above:

### 1) What is 0.1% of 1000000000?

Always use this formula to find a percentage:

% / 100 = Part / Whole replace the given values:

0.1 / 100 = Part / 1000000000

Cross multiply:

0.1 x 1000000000 = 100 x Part, or

100000000 = 100 x Part

Now, divide by 100 and get the answer:

Part = 100000000 / 100 = 1000000

### 2) What is 0.1 out of 1000000000?

This question is equivalent to: "0.1 is what percent of 1000000000?" Or What percent 0.1 is out of 1000000000?

Use again the same percentage formula:

% / 100 = Part / Whole replace the given values:

% / 100 = 0.1 / 1000000000

Cross multiply:

% x 1000000000 = 0.1 x 100

Divide by 1000000000 to get the percentage:

% = (0.1 x 100) / 1000000000 = 1.0E-8%

#### A shorter way to calculate x out of y

You can easily find 0.1 is out of 1000000000, in one step, by simply dividing 0.1 by 1000000000, then multiplying the result by 100. So,

0.1 is out of 1000000000 = 0.1/1000000000 x 100 = 1.0E-8%

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