Home / 1,945,857,380.20-2,923,442,478.44-1,247,717,330.52

Finding the Fourth Proportional to 1,945,857,380.20, 2,923,442,478.44 and 1,247,717,330.52

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Solution

The fourth proportional to 1,945,857,380.20, 2,923,442,478.44 and 1,247,717,330.52 is: 1,874,561,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,857,380.20 : 2,923,442,478.44 = 1,247,717,330.52 : x
  2. Step 2: Convert to fraction form
    1,945,857,380.20/2,923,442,478.44 = 1,247,717,330.52/x
  3. Step 3: Cross multiply
    1,945,857,380.20x = 2,923,442,478.44 × 1,247,717,330.52
  4. Step 4: Simplify right side
    1,945,857,380.20x = 3,647,629,845,127,929,344
  5. Step 5: Solve for x
    x = 3,647,629,845,127,929,344/1,945,857,380.20
  6. Step 6: Final answer
    x = 1,874,561,765.03

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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.