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Finding the Fourth Proportional to 254,987,357.70, 382,481,036.55 and 199,504,917.30

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Solution

The fourth proportional to 254,987,357.70, 382,481,036.55 and 199,504,917.30 is: 299,257,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,987,357.70 : 382,481,036.55 = 199,504,917.30 : x
  2. Step 2: Convert to fraction form
    254,987,357.70/382,481,036.55 = 199,504,917.30/x
  3. Step 3: Cross multiply
    254,987,357.70x = 382,481,036.55 × 199,504,917.30
  4. Step 4: Simplify right side
    254,987,357.70x = 76,306,847,565,726,032
  5. Step 5: Solve for x
    x = 76,306,847,565,726,032/254,987,357.70
  6. Step 6: Final answer
    x = 299,257,375.95

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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.