Home / 391,740,863.76-587,538,210.96-158,510,455.20

Finding the Fourth Proportional to 391,740,863.76, 587,538,210.96 and 158,510,455.20

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Solution

The fourth proportional to 391,740,863.76, 587,538,210.96 and 158,510,455.20 is: 237,736,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,740,863.76 : 587,538,210.96 = 158,510,455.20 : x
  2. Step 2: Convert to fraction form
    391,740,863.76/587,538,210.96 = 158,510,455.20/x
  3. Step 3: Cross multiply
    391,740,863.76x = 587,538,210.96 × 158,510,455.20
  4. Step 4: Simplify right side
    391,740,863.76x = 93,130,949,266,663,232
  5. Step 5: Solve for x
    x = 93,130,949,266,663,232/391,740,863.76
  6. Step 6: Final answer
    x = 237,736,110.48

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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.