Home / 667,124,873.92-1,000,485,840.64-200,662,469.44

Finding the Fourth Proportional to 667,124,873.92, 1,000,485,840.64 and 200,662,469.44

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Solution

The fourth proportional to 667,124,873.92, 1,000,485,840.64 and 200,662,469.44 is: 300,933,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,124,873.92 : 1,000,485,840.64 = 200,662,469.44 : x
  2. Step 2: Convert to fraction form
    667,124,873.92/1,000,485,840.64 = 200,662,469.44/x
  3. Step 3: Cross multiply
    667,124,873.92x = 1,000,485,840.64 × 200,662,469.44
  4. Step 4: Simplify right side
    667,124,873.92x = 200,759,959,422,576,704
  5. Step 5: Solve for x
    x = 200,759,959,422,576,704/667,124,873.92
  6. Step 6: Final answer
    x = 300,933,104.54

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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.