Finding the Fourth Proportional to 488,940,937.20, 733,411,405.80 and 294,752,395.80
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Solution
The fourth proportional to 488,940,937.20, 733,411,405.80 and 294,752,395.80 is: 442,128,593.70
Step by Step Solution
- Step 1: Write the proportion equation
488,940,937.20 : 733,411,405.80 = 294,752,395.80 : x - Step 2: Convert to fraction form
488,940,937.20/733,411,405.80 = 294,752,395.80/x - Step 3: Cross multiply
488,940,937.20x = 733,411,405.80 × 294,752,395.80 - Step 4: Simplify right side
488,940,937.20x = 216,174,768,966,596,000 - Step 5: Solve for x
x = 216,174,768,966,596,000/488,940,937.20 - Step 6: Final answer
x = 442,128,593.70
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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.