Home / 424,181,369,505.60-636,373,180,017.85-137,339,512,360.61

Finding the Fourth Proportional to 424,181,369,505.60, 636,373,180,017.85 and 137,339,512,360.61

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Solution

The fourth proportional to 424,181,369,505.60, 636,373,180,017.85 and 137,339,512,360.61 is: 206,042,010,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,181,369,505.60 : 636,373,180,017.85 = 137,339,512,360.61 : x
  2. Step 2: Convert to fraction form
    424,181,369,505.60/636,373,180,017.85 = 137,339,512,360.61/x
  3. Step 3: Cross multiply
    424,181,369,505.60x = 636,373,180,017.85 × 137,339,512,360.61
  4. Step 4: Simplify right side
    424,181,369,505.60x = 87,399,182,223,022,193,901,568
  5. Step 5: Solve for x
    x = 87,399,182,223,022,193,901,568/424,181,369,505.60
  6. Step 6: Final answer
    x = 206,042,010,578.85

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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.