Home / 641,589,251.76-885,394,871.28-348,233,819.76

Finding the Fourth Proportional to 641,589,251.76, 885,394,871.28 and 348,233,819.76

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Solution

The fourth proportional to 641,589,251.76, 885,394,871.28 and 348,233,819.76 is: 480,563,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,589,251.76 : 885,394,871.28 = 348,233,819.76 : x
  2. Step 2: Convert to fraction form
    641,589,251.76/885,394,871.28 = 348,233,819.76/x
  3. Step 3: Cross multiply
    641,589,251.76x = 885,394,871.28 × 348,233,819.76
  4. Step 4: Simplify right side
    641,589,251.76x = 308,324,438,021,747,904
  5. Step 5: Solve for x
    x = 308,324,438,021,747,904/641,589,251.76
  6. Step 6: Final answer
    x = 480,563,596.06

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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.