Finding the Fourth Proportional to 8,256,916,956.72, 11,394,177,832.92 and 4,823,933,470.12
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Solution
The fourth proportional to 8,256,916,956.72, 11,394,177,832.92 and 4,823,933,470.12 is: 6,656,813,445.12
Step by Step Solution
- Step 1: Write the proportion equation
8,256,916,956.72 : 11,394,177,832.92 = 4,823,933,470.12 : x - Step 2: Convert to fraction form
8,256,916,956.72/11,394,177,832.92 = 4,823,933,470.12/x - Step 3: Cross multiply
8,256,916,956.72x = 11,394,177,832.92 × 4,823,933,470.12 - Step 4: Simplify right side
8,256,916,956.72x = 54,964,755,812,722,155,520 - Step 5: Solve for x
x = 54,964,755,812,722,155,520/8,256,916,956.72 - Step 6: Final answer
x = 6,656,813,445.12
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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.