Home / 838,313,141.20-1,257,469,711.80-379,148,117.20

Finding the Fourth Proportional to 838,313,141.20, 1,257,469,711.80 and 379,148,117.20

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Solution

The fourth proportional to 838,313,141.20, 1,257,469,711.80 and 379,148,117.20 is: 568,722,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,313,141.20 : 1,257,469,711.80 = 379,148,117.20 : x
  2. Step 2: Convert to fraction form
    838,313,141.20/1,257,469,711.80 = 379,148,117.20/x
  3. Step 3: Cross multiply
    838,313,141.20x = 1,257,469,711.80 × 379,148,117.20
  4. Step 4: Simplify right side
    838,313,141.20x = 476,767,273,664,996,608
  5. Step 5: Solve for x
    x = 476,767,273,664,996,608/838,313,141.20
  6. Step 6: Final answer
    x = 568,722,175.80

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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.