Home / 396,417,957.44-593,721,160.88-189,301,449.11

Finding the Fourth Proportional to 396,417,957.44, 593,721,160.88 and 189,301,449.11

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Solution

The fourth proportional to 396,417,957.44, 593,721,160.88 and 189,301,449.11 is: 283,519,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,417,957.44 : 593,721,160.88 = 189,301,449.11 : x
  2. Step 2: Convert to fraction form
    396,417,957.44/593,721,160.88 = 189,301,449.11/x
  3. Step 3: Cross multiply
    396,417,957.44x = 593,721,160.88 × 189,301,449.11
  4. Step 4: Simplify right side
    396,417,957.44x = 112,392,276,117,940,320
  5. Step 5: Solve for x
    x = 112,392,276,117,940,320/396,417,957.44
  6. Step 6: Final answer
    x = 283,519,638.83

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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.