Home / 411,292,519.20-616,917,049.92-134,907,326.64

Finding the Fourth Proportional to 411,292,519.20, 616,917,049.92 and 134,907,326.64

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Solution

The fourth proportional to 411,292,519.20, 616,917,049.92 and 134,907,326.64 is: 202,353,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,292,519.20 : 616,917,049.92 = 134,907,326.64 : x
  2. Step 2: Convert to fraction form
    411,292,519.20/616,917,049.92 = 134,907,326.64/x
  3. Step 3: Cross multiply
    411,292,519.20x = 616,917,049.92 × 134,907,326.64
  4. Step 4: Simplify right side
    411,292,519.20x = 83,226,629,963,342,608
  5. Step 5: Solve for x
    x = 83,226,629,963,342,608/411,292,519.20
  6. Step 6: Final answer
    x = 202,353,862.71

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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.