Home / 378,328,480.20-522,004,251.60-229,645,941.30

Finding the Fourth Proportional to 378,328,480.20, 522,004,251.60 and 229,645,941.30

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Solution

The fourth proportional to 378,328,480.20, 522,004,251.60 and 229,645,941.30 is: 316,857,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,328,480.20 : 522,004,251.60 = 229,645,941.30 : x
  2. Step 2: Convert to fraction form
    378,328,480.20/522,004,251.60 = 229,645,941.30/x
  3. Step 3: Cross multiply
    378,328,480.20x = 522,004,251.60 × 229,645,941.30
  4. Step 4: Simplify right side
    378,328,480.20x = 119,876,157,721,284,048
  5. Step 5: Solve for x
    x = 119,876,157,721,284,048/378,328,480.20
  6. Step 6: Final answer
    x = 316,857,344.86

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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.