Finding the Fourth Proportional to 746,924,414.96, 1,120,440,432.60 and 286,862,584.88
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Solution
The fourth proportional to 746,924,414.96, 1,120,440,432.60 and 286,862,584.88 is: 430,314,543.56
Step by Step Solution
- Step 1: Write the proportion equation
746,924,414.96 : 1,120,440,432.60 = 286,862,584.88 : x - Step 2: Convert to fraction form
746,924,414.96/1,120,440,432.60 = 286,862,584.88/x - Step 3: Cross multiply
746,924,414.96x = 1,120,440,432.60 × 286,862,584.88 - Step 4: Simplify right side
746,924,414.96x = 321,412,438,699,701,376 - Step 5: Solve for x
x = 321,412,438,699,701,376/746,924,414.96 - Step 6: Final answer
x = 430,314,543.56
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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.