Finding the Fourth Proportional to 887,544,136.97, 1,331,497,781.14 and 305,202,753.17
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Solution
The fourth proportional to 887,544,136.97, 1,331,497,781.14 and 305,202,753.17 is: 457,866,568.79
Step by Step Solution
- Step 1: Write the proportion equation
887,544,136.97 : 1,331,497,781.14 = 305,202,753.17 : x - Step 2: Convert to fraction form
887,544,136.97/1,331,497,781.14 = 305,202,753.17/x - Step 3: Cross multiply
887,544,136.97x = 1,331,497,781.14 × 305,202,753.17 - Step 4: Simplify right side
887,544,136.97x = 406,376,788,646,239,872 - Step 5: Solve for x
x = 406,376,788,646,239,872/887,544,136.97 - Step 6: Final answer
x = 457,866,568.79
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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.