Home / 378,358,397.44-522,134,357.52-204,518,141.44

Finding the Fourth Proportional to 378,358,397.44, 522,134,357.52 and 204,518,141.44

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Solution

The fourth proportional to 378,358,397.44, 522,134,357.52 and 204,518,141.44 is: 282,234,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,358,397.44 : 522,134,357.52 = 204,518,141.44 : x
  2. Step 2: Convert to fraction form
    378,358,397.44/522,134,357.52 = 204,518,141.44/x
  3. Step 3: Cross multiply
    378,358,397.44x = 522,134,357.52 × 204,518,141.44
  4. Step 4: Simplify right side
    378,358,397.44x = 106,785,948,381,958,880
  5. Step 5: Solve for x
    x = 106,785,948,381,958,880/378,358,397.44
  6. Step 6: Final answer
    x = 282,234,910.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.