Finding the Fourth Proportional to 482,695,660.80, 724,043,491.20 and 176,207,731.20
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Solution
The fourth proportional to 482,695,660.80, 724,043,491.20 and 176,207,731.20 is: 264,311,596.80
Step by Step Solution
- Step 1: Write the proportion equation
482,695,660.80 : 724,043,491.20 = 176,207,731.20 : x - Step 2: Convert to fraction form
482,695,660.80/724,043,491.20 = 176,207,731.20/x - Step 3: Cross multiply
482,695,660.80x = 724,043,491.20 × 176,207,731.20 - Step 4: Simplify right side
482,695,660.80x = 127,582,060,874,479,168 - Step 5: Solve for x
x = 127,582,060,874,479,168/482,695,660.80 - Step 6: Final answer
x = 264,311,596.80
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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.