Finding the Fourth Proportional to 743,434,687.04, 1,025,940,391.96 and 408,932,657.14
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Solution
The fourth proportional to 743,434,687.04, 1,025,940,391.96 and 408,932,657.14 is: 564,327,355.00
Step by Step Solution
- Step 1: Write the proportion equation
743,434,687.04 : 1,025,940,391.96 = 408,932,657.14 : x - Step 2: Convert to fraction form
743,434,687.04/1,025,940,391.96 = 408,932,657.14/x - Step 3: Cross multiply
743,434,687.04x = 1,025,940,391.96 × 408,932,657.14 - Step 4: Simplify right side
743,434,687.04x = 419,540,530,551,455,872 - Step 5: Solve for x
x = 419,540,530,551,455,872/743,434,687.04 - Step 6: Final answer
x = 564,327,355.00
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1.5x scale
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.