Finding the Fourth Proportional to 571,464,457.38, 857,281,864.19 and 202,968,451.17
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Solution
The fourth proportional to 571,464,457.38, 857,281,864.19 and 202,968,451.17 is: 304,482,929.68
Step by Step Solution
- Step 1: Write the proportion equation
571,464,457.38 : 857,281,864.19 = 202,968,451.17 : x - Step 2: Convert to fraction form
571,464,457.38/857,281,864.19 = 202,968,451.17/x - Step 3: Cross multiply
571,464,457.38x = 857,281,864.19 × 202,968,451.17 - Step 4: Simplify right side
571,464,457.38x = 174,001,172,189,759,712 - Step 5: Solve for x
x = 174,001,172,189,759,712/571,464,457.38 - Step 6: Final answer
x = 304,482,929.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.