Home / 392,257,766.40-587,490,854.40-231,014,630.40

Finding the Fourth Proportional to 392,257,766.40, 587,490,854.40 and 231,014,630.40

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Solution

The fourth proportional to 392,257,766.40, 587,490,854.40 and 231,014,630.40 is: 345,994,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,257,766.40 : 587,490,854.40 = 231,014,630.40 : x
  2. Step 2: Convert to fraction form
    392,257,766.40/587,490,854.40 = 231,014,630.40/x
  3. Step 3: Cross multiply
    392,257,766.40x = 587,490,854.40 × 231,014,630.40
  4. Step 4: Simplify right side
    392,257,766.40x = 135,718,982,592,596,208
  5. Step 5: Solve for x
    x = 135,718,982,592,596,208/392,257,766.40
  6. Step 6: Final answer
    x = 345,994,379.76

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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.