Finding the Fourth Proportional to 472,970,466, 709,455,397.68 and 344,395,990.80
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Solution
The fourth proportional to 472,970,466, 709,455,397.68 and 344,395,990.80 is: 516,593,766.79
Step by Step Solution
- Step 1: Write the proportion equation
472,970,466 : 709,455,397.68 = 344,395,990.80 : x - Step 2: Convert to fraction form
472,970,466/709,455,397.68 = 344,395,990.80/x - Step 3: Cross multiply
472,970,466x = 709,455,397.68 × 344,395,990.80 - Step 4: Simplify right side
472,970,466x = 244,333,594,612,411,616 - Step 5: Solve for x
x = 244,333,594,612,411,616/472,970,466 - Step 6: Final answer
x = 516,593,766.79
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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.