Home / 13,531,279,180.78-20,297,694,420.42-3,582,464,372.20

Finding the Fourth Proportional to 13,531,279,180.78, 20,297,694,420.42 and 3,582,464,372.20

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Solution

The fourth proportional to 13,531,279,180.78, 20,297,694,420.42 and 3,582,464,372.20 is: 5,373,901,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,279,180.78 : 20,297,694,420.42 = 3,582,464,372.20 : x
  2. Step 2: Convert to fraction form
    13,531,279,180.78/20,297,694,420.42 = 3,582,464,372.20/x
  3. Step 3: Cross multiply
    13,531,279,180.78x = 20,297,694,420.42 × 3,582,464,372.20
  4. Step 4: Simplify right side
    13,531,279,180.78x = 72,715,767,098,957,365,248
  5. Step 5: Solve for x
    x = 72,715,767,098,957,365,248/13,531,279,180.78
  6. Step 6: Final answer
    x = 5,373,901,914.78

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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.