Finding the Fourth Proportional to 1,471,684,711.20, 2,207,527,066.80 and 1,145,167,360.80
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Solution
The fourth proportional to 1,471,684,711.20, 2,207,527,066.80 and 1,145,167,360.80 is: 1,717,751,041.20
Step by Step Solution
- Step 1: Write the proportion equation
1,471,684,711.20 : 2,207,527,066.80 = 1,145,167,360.80 : x - Step 2: Convert to fraction form
1,471,684,711.20/2,207,527,066.80 = 1,145,167,360.80/x - Step 3: Cross multiply
1,471,684,711.20x = 2,207,527,066.80 × 1,145,167,360.80 - Step 4: Simplify right side
1,471,684,711.20x = 2,527,987,944,981,921,280 - Step 5: Solve for x
x = 2,527,987,944,981,921,280/1,471,684,711.20 - Step 6: Final answer
x = 1,717,751,041.20
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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.