Home / 12,575,972,474.39-18,861,959,607.08-4,181,179,863.44

Finding the Fourth Proportional to 12,575,972,474.39, 18,861,959,607.08 and 4,181,179,863.44

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Solution

The fourth proportional to 12,575,972,474.39, 18,861,959,607.08 and 4,181,179,863.44 is: 6,271,105,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575,972,474.39 : 18,861,959,607.08 = 4,181,179,863.44 : x
  2. Step 2: Convert to fraction form
    12,575,972,474.39/18,861,959,607.08 = 4,181,179,863.44/x
  3. Step 3: Cross multiply
    12,575,972,474.39x = 18,861,959,607.08 × 4,181,179,863.44
  4. Step 4: Simplify right side
    12,575,972,474.39x = 78,865,245,694,167,810,048
  5. Step 5: Solve for x
    x = 78,865,245,694,167,810,048/12,575,972,474.39
  6. Step 6: Final answer
    x = 6,271,105,145.53

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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.