Home / 402,560,049.60-603,840,074.40-363,020,839.20

Finding the Fourth Proportional to 402,560,049.60, 603,840,074.40 and 363,020,839.20

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Solution

The fourth proportional to 402,560,049.60, 603,840,074.40 and 363,020,839.20 is: 544,531,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,560,049.60 : 603,840,074.40 = 363,020,839.20 : x
  2. Step 2: Convert to fraction form
    402,560,049.60/603,840,074.40 = 363,020,839.20/x
  3. Step 3: Cross multiply
    402,560,049.60x = 603,840,074.40 × 363,020,839.20
  4. Step 4: Simplify right side
    402,560,049.60x = 219,206,530,551,278,432
  5. Step 5: Solve for x
    x = 219,206,530,551,278,432/402,560,049.60
  6. Step 6: Final answer
    x = 544,531,258.80

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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.