Home / 708,588,608.10-1,062,882,912.15-656,932,542.90

Finding the Fourth Proportional to 708,588,608.10, 1,062,882,912.15 and 656,932,542.90

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Solution

The fourth proportional to 708,588,608.10, 1,062,882,912.15 and 656,932,542.90 is: 985,398,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,608.10 : 1,062,882,912.15 = 656,932,542.90 : x
  2. Step 2: Convert to fraction form
    708,588,608.10/1,062,882,912.15 = 656,932,542.90/x
  3. Step 3: Cross multiply
    708,588,608.10x = 1,062,882,912.15 × 656,932,542.90
  4. Step 4: Simplify right side
    708,588,608.10x = 698,242,374,283,656,704
  5. Step 5: Solve for x
    x = 698,242,374,283,656,704/708,588,608.10
  6. Step 6: Final answer
    x = 985,398,814.35

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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.