Finding the Fourth Proportional to 756,238,220.80, 1,134,357,331.20 and 627,098,057.80
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Solution
The fourth proportional to 756,238,220.80, 1,134,357,331.20 and 627,098,057.80 is: 940,647,086.70
Step by Step Solution
- Step 1: Write the proportion equation
756,238,220.80 : 1,134,357,331.20 = 627,098,057.80 : x - Step 2: Convert to fraction form
756,238,220.80/1,134,357,331.20 = 627,098,057.80/x - Step 3: Cross multiply
756,238,220.80x = 1,134,357,331.20 × 627,098,057.80 - Step 4: Simplify right side
756,238,220.80x = 711,353,279,246,711,296 - Step 5: Solve for x
x = 711,353,279,246,711,296/756,238,220.80 - Step 6: Final answer
x = 940,647,086.70
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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.