Home / 5,318,784,520.85-7,978,176,781.28-2,416,408,072.85

Finding the Fourth Proportional to 5,318,784,520.85, 7,978,176,781.28 and 2,416,408,072.85

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Solution

The fourth proportional to 5,318,784,520.85, 7,978,176,781.28 and 2,416,408,072.85 is: 3,624,612,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,520.85 : 7,978,176,781.28 = 2,416,408,072.85 : x
  2. Step 2: Convert to fraction form
    5,318,784,520.85/7,978,176,781.28 = 2,416,408,072.85/x
  3. Step 3: Cross multiply
    5,318,784,520.85x = 7,978,176,781.28 × 2,416,408,072.85
  4. Step 4: Simplify right side
    5,318,784,520.85x = 19,278,530,780,897,337,344
  5. Step 5: Solve for x
    x = 19,278,530,780,897,337,344/5,318,784,520.85
  6. Step 6: Final answer
    x = 3,624,612,109.28

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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.