Finding the Fourth Proportional to 1,664,352,615.11, 2,496,645,414.05 and 668,373,494.13
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Solution
The fourth proportional to 1,664,352,615.11, 2,496,645,414.05 and 668,373,494.13 is: 1,002,607,022.00
Step by Step Solution
- Step 1: Write the proportion equation
1,664,352,615.11 : 2,496,645,414.05 = 668,373,494.13 : x - Step 2: Convert to fraction form
1,664,352,615.11/2,496,645,414.05 = 668,373,494.13/x - Step 3: Cross multiply
1,664,352,615.11x = 2,496,645,414.05 × 668,373,494.13 - Step 4: Simplify right side
1,664,352,615.11x = 1,668,691,618,988,897,280 - Step 5: Solve for x
x = 1,668,691,618,988,897,280/1,664,352,615.11 - Step 6: Final answer
x = 1,002,607,022.00
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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.