Home / 854,610,958.62-1,281,892,522.98-272,380,142.24

Finding the Fourth Proportional to 854,610,958.62, 1,281,892,522.98 and 272,380,142.24

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Solution

The fourth proportional to 854,610,958.62, 1,281,892,522.98 and 272,380,142.24 is: 408,562,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,610,958.62 : 1,281,892,522.98 = 272,380,142.24 : x
  2. Step 2: Convert to fraction form
    854,610,958.62/1,281,892,522.98 = 272,380,142.24/x
  3. Step 3: Cross multiply
    854,610,958.62x = 1,281,892,522.98 × 272,380,142.24
  4. Step 4: Simplify right side
    854,610,958.62x = 349,162,067,745,684,864
  5. Step 5: Solve for x
    x = 349,162,067,745,684,864/854,610,958.62
  6. Step 6: Final answer
    x = 408,562,591.23

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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.