Home / 437,806,305.60-656,276,306.40-207,370,363.20

Finding the Fourth Proportional to 437,806,305.60, 656,276,306.40 and 207,370,363.20

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Solution

The fourth proportional to 437,806,305.60, 656,276,306.40 and 207,370,363.20 is: 310,850,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,806,305.60 : 656,276,306.40 = 207,370,363.20 : x
  2. Step 2: Convert to fraction form
    437,806,305.60/656,276,306.40 = 207,370,363.20/x
  3. Step 3: Cross multiply
    437,806,305.60x = 656,276,306.40 × 207,370,363.20
  4. Step 4: Simplify right side
    437,806,305.60x = 136,092,256,017,722,464
  5. Step 5: Solve for x
    x = 136,092,256,017,722,464/437,806,305.60
  6. Step 6: Final answer
    x = 310,850,378.98

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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.