Finding the Fourth Proportional to 523,437,370.68, 722,334,200.24 and 285,284,700.12
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Solution
The fourth proportional to 523,437,370.68, 722,334,200.24 and 285,284,700.12 is: 393,687,778.61
Step by Step Solution
- Step 1: Write the proportion equation
523,437,370.68 : 722,334,200.24 = 285,284,700.12 : x - Step 2: Convert to fraction form
523,437,370.68/722,334,200.24 = 285,284,700.12/x - Step 3: Cross multiply
523,437,370.68x = 722,334,200.24 × 285,284,700.12 - Step 4: Simplify right side
523,437,370.68x = 206,070,895,701,888,448 - Step 5: Solve for x
x = 206,070,895,701,888,448/523,437,370.68 - Step 6: Final answer
x = 393,687,778.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.