Finding the Fourth Proportional to 2,974,197,680.92, 4,460,350,019.06 and 981,868,781.08
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Solution
The fourth proportional to 2,974,197,680.92, 4,460,350,019.06 and 981,868,781.08 is: 1,472,490,703.80
Step by Step Solution
- Step 1: Write the proportion equation
2,974,197,680.92 : 4,460,350,019.06 = 981,868,781.08 : x - Step 2: Convert to fraction form
2,974,197,680.92/4,460,350,019.06 = 981,868,781.08/x - Step 3: Cross multiply
2,974,197,680.92x = 4,460,350,019.06 × 981,868,781.08 - Step 4: Simplify right side
2,974,197,680.92x = 4,379,478,436,404,597,760 - Step 5: Solve for x
x = 4,379,478,436,404,597,760/2,974,197,680.92 - Step 6: Final answer
x = 1,472,490,703.80
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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.