Finding the Fourth Proportional to 709,241,025.20, 1,063,861,537.80 and 437,143,233.20
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Solution
The fourth proportional to 709,241,025.20, 1,063,861,537.80 and 437,143,233.20 is: 655,714,849.80
Step by Step Solution
- Step 1: Write the proportion equation
709,241,025.20 : 1,063,861,537.80 = 437,143,233.20 : x - Step 2: Convert to fraction form
709,241,025.20/1,063,861,537.80 = 437,143,233.20/x - Step 3: Cross multiply
709,241,025.20x = 1,063,861,537.80 × 437,143,233.20 - Step 4: Simplify right side
709,241,025.20x = 465,059,872,311,016,000 - Step 5: Solve for x
x = 465,059,872,311,016,000/709,241,025.20 - Step 6: Final answer
x = 655,714,849.80
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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.