Home / 724,023,915.90-1,086,035,873.85-667,336,875.90

Finding the Fourth Proportional to 724,023,915.90, 1,086,035,873.85 and 667,336,875.90

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Solution

The fourth proportional to 724,023,915.90, 1,086,035,873.85 and 667,336,875.90 is: 1,001,005,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,023,915.90 : 1,086,035,873.85 = 667,336,875.90 : x
  2. Step 2: Convert to fraction form
    724,023,915.90/1,086,035,873.85 = 667,336,875.90/x
  3. Step 3: Cross multiply
    724,023,915.90x = 1,086,035,873.85 × 667,336,875.90
  4. Step 4: Simplify right side
    724,023,915.90x = 724,751,787,170,385,408
  5. Step 5: Solve for x
    x = 724,751,787,170,385,408/724,023,915.90
  6. Step 6: Final answer
    x = 1,001,005,313.85

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1.5x scale

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.