Home / 392,222,819.52-541,326,335.04-297,981,886.68

Finding the Fourth Proportional to 392,222,819.52, 541,326,335.04 and 297,981,886.68

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Solution

The fourth proportional to 392,222,819.52, 541,326,335.04 and 297,981,886.68 is: 411,259,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,222,819.52 : 541,326,335.04 = 297,981,886.68 : x
  2. Step 2: Convert to fraction form
    392,222,819.52/541,326,335.04 = 297,981,886.68/x
  3. Step 3: Cross multiply
    392,222,819.52x = 541,326,335.04 × 297,981,886.68
  4. Step 4: Simplify right side
    392,222,819.52x = 161,305,442,624,788,992
  5. Step 5: Solve for x
    x = 161,305,442,624,788,992/392,222,819.52
  6. Step 6: Final answer
    x = 411,259,709.01

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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.