Home / 477,622,778.31-716,438,179.40-132,603,310.71

Finding the Fourth Proportional to 477,622,778.31, 716,438,179.40 and 132,603,310.71

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Solution

The fourth proportional to 477,622,778.31, 716,438,179.40 and 132,603,310.71 is: 198,906,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,622,778.31 : 716,438,179.40 = 132,603,310.71 : x
  2. Step 2: Convert to fraction form
    477,622,778.31/716,438,179.40 = 132,603,310.71/x
  3. Step 3: Cross multiply
    477,622,778.31x = 716,438,179.40 × 132,603,310.71
  4. Step 4: Simplify right side
    477,622,778.31x = 95,002,074,506,821,904
  5. Step 5: Solve for x
    x = 95,002,074,506,821,904/477,622,778.31
  6. Step 6: Final answer
    x = 198,906,079.90

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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.