Finding the Fourth Proportional to 900,330,876.84, 1,350,471,121.02 and 286,951,909.80
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Solution
The fourth proportional to 900,330,876.84, 1,350,471,121.02 and 286,951,909.80 is: 430,419,834.84
Step by Step Solution
- Step 1: Write the proportion equation
900,330,876.84 : 1,350,471,121.02 = 286,951,909.80 : x - Step 2: Convert to fraction form
900,330,876.84/1,350,471,121.02 = 286,951,909.80/x - Step 3: Cross multiply
900,330,876.84x = 1,350,471,121.02 × 286,951,909.80 - Step 4: Simplify right side
900,330,876.84x = 387,520,267,306,435,904 - Step 5: Solve for x
x = 387,520,267,306,435,904/900,330,876.84 - Step 6: Final answer
x = 430,419,834.84
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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.