Home / 391,934,896.30-587,903,929.44-158,770,017.64

Finding the Fourth Proportional to 391,934,896.30, 587,903,929.44 and 158,770,017.64

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Solution

The fourth proportional to 391,934,896.30, 587,903,929.44 and 158,770,017.64 is: 238,155,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,934,896.30 : 587,903,929.44 = 158,770,017.64 : x
  2. Step 2: Convert to fraction form
    391,934,896.30/587,903,929.44 = 158,770,017.64/x
  3. Step 3: Cross multiply
    391,934,896.30x = 587,903,929.44 × 158,770,017.64
  4. Step 4: Simplify right side
    391,934,896.30x = 93,341,517,247,814,112
  5. Step 5: Solve for x
    x = 93,341,517,247,814,112/391,934,896.30
  6. Step 6: Final answer
    x = 238,155,668.53

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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.