Finding the Fourth Proportional to 316,754,805.43, 474,519,347.85 and 178,159,310.13
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Solution
The fourth proportional to 316,754,805.43, 474,519,347.85 and 178,159,310.13 is: 266,894,260.82
Step by Step Solution
- Step 1: Write the proportion equation
316,754,805.43 : 474,519,347.85 = 178,159,310.13 : x - Step 2: Convert to fraction form
316,754,805.43/474,519,347.85 = 178,159,310.13/x - Step 3: Cross multiply
316,754,805.43x = 474,519,347.85 × 178,159,310.13 - Step 4: Simplify right side
316,754,805.43x = 84,540,039,656,293,504 - Step 5: Solve for x
x = 84,540,039,656,293,504/316,754,805.43 - Step 6: Final answer
x = 266,894,260.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.