Home / 347,646,424.78-521,469,824.42-129,268,391.50

Finding the Fourth Proportional to 347,646,424.78, 521,469,824.42 and 129,268,391.50

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Solution

The fourth proportional to 347,646,424.78, 521,469,824.42 and 129,268,391.50 is: 193,902,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,646,424.78 : 521,469,824.42 = 129,268,391.50 : x
  2. Step 2: Convert to fraction form
    347,646,424.78/521,469,824.42 = 129,268,391.50/x
  3. Step 3: Cross multiply
    347,646,424.78x = 521,469,824.42 × 129,268,391.50
  4. Step 4: Simplify right side
    347,646,424.78x = 67,409,565,418,560,824
  5. Step 5: Solve for x
    x = 67,409,565,418,560,824/347,646,424.78
  6. Step 6: Final answer
    x = 193,902,656.88

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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.