Home / 483,863,249.20-725,794,873.80-279,789,905.20

Finding the Fourth Proportional to 483,863,249.20, 725,794,873.80 and 279,789,905.20

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Solution

The fourth proportional to 483,863,249.20, 725,794,873.80 and 279,789,905.20 is: 419,684,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,863,249.20 : 725,794,873.80 = 279,789,905.20 : x
  2. Step 2: Convert to fraction form
    483,863,249.20/725,794,873.80 = 279,789,905.20/x
  3. Step 3: Cross multiply
    483,863,249.20x = 725,794,873.80 × 279,789,905.20
  4. Step 4: Simplify right side
    483,863,249.20x = 203,070,078,935,147,936
  5. Step 5: Solve for x
    x = 203,070,078,935,147,936/483,863,249.20
  6. Step 6: Final answer
    x = 419,684,857.80

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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.