Finding the Fourth Proportional to 8,397,017,470.42, 11,587,815,244.06 and 4,586,542,851.49
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Solution
The fourth proportional to 8,397,017,470.42, 11,587,815,244.06 and 4,586,542,851.49 is: 6,329,391,520.17
Step by Step Solution
- Step 1: Write the proportion equation
8,397,017,470.42 : 11,587,815,244.06 = 4,586,542,851.49 : x - Step 2: Convert to fraction form
8,397,017,470.42/11,587,815,244.06 = 4,586,542,851.49/x - Step 3: Cross multiply
8,397,017,470.42x = 11,587,815,244.06 × 4,586,542,851.49 - Step 4: Simplify right side
8,397,017,470.42x = 53,148,011,171,992,100,864 - Step 5: Solve for x
x = 53,148,011,171,992,100,864/8,397,017,470.42 - Step 6: Final answer
x = 6,329,391,520.17
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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.