Finding the Fourth Proportional to 457,954,614.40, 686,570,635.68 and 227,798,078.08
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Solution
The fourth proportional to 457,954,614.40, 686,570,635.68 and 227,798,078.08 is: 341,517,404.47
Step by Step Solution
- Step 1: Write the proportion equation
457,954,614.40 : 686,570,635.68 = 227,798,078.08 : x - Step 2: Convert to fraction form
457,954,614.40/686,570,635.68 = 227,798,078.08/x - Step 3: Cross multiply
457,954,614.40x = 686,570,635.68 × 227,798,078.08 - Step 4: Simplify right side
457,954,614.40x = 156,399,471,274,067,872 - Step 5: Solve for x
x = 156,399,471,274,067,872/457,954,614.40 - Step 6: Final answer
x = 341,517,404.47
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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.