Home / 392,794,691.96-589,153,780.68-159,639,383.36

Finding the Fourth Proportional to 392,794,691.96, 589,153,780.68 and 159,639,383.36

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Solution

The fourth proportional to 392,794,691.96, 589,153,780.68 and 159,639,383.36 is: 239,443,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,794,691.96 : 589,153,780.68 = 159,639,383.36 : x
  2. Step 2: Convert to fraction form
    392,794,691.96/589,153,780.68 = 159,639,383.36/x
  3. Step 3: Cross multiply
    392,794,691.96x = 589,153,780.68 × 159,639,383.36
  4. Step 4: Simplify right side
    392,794,691.96x = 94,052,146,251,967,888
  5. Step 5: Solve for x
    x = 94,052,146,251,967,888/392,794,691.96
  6. Step 6: Final answer
    x = 239,443,526.55

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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.