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Finding the Fourth Proportional to 396,193,287.84, 594,279,978.48 and 137,593,802.40

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Solution

The fourth proportional to 396,193,287.84, 594,279,978.48 and 137,593,802.40 is: 206,387,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,193,287.84 : 594,279,978.48 = 137,593,802.40 : x
  2. Step 2: Convert to fraction form
    396,193,287.84/594,279,978.48 = 137,593,802.40/x
  3. Step 3: Cross multiply
    396,193,287.84x = 594,279,978.48 × 137,593,802.40
  4. Step 4: Simplify right side
    396,193,287.84x = 81,769,241,929,253,376
  5. Step 5: Solve for x
    x = 81,769,241,929,253,376/396,193,287.84
  6. Step 6: Final answer
    x = 206,387,246.93

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Why These Related Problems?

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