Finding the Fourth Proportional to 629,468,179.20, 944,202,268.80 and 527,431,507.20
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Solution
The fourth proportional to 629,468,179.20, 944,202,268.80 and 527,431,507.20 is: 791,147,260.80
Step by Step Solution
- Step 1: Write the proportion equation
629,468,179.20 : 944,202,268.80 = 527,431,507.20 : x - Step 2: Convert to fraction form
629,468,179.20/944,202,268.80 = 527,431,507.20/x - Step 3: Cross multiply
629,468,179.20x = 944,202,268.80 × 527,431,507.20 - Step 4: Simplify right side
629,468,179.20x = 498,002,025,734,843,520 - Step 5: Solve for x
x = 498,002,025,734,843,520/629,468,179.20 - Step 6: Final answer
x = 791,147,260.80
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1.5x scale
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.