Home / 490,940,481.59-677,512,214.45-267,936,475.49

Finding the Fourth Proportional to 490,940,481.59, 677,512,214.45 and 267,936,475.49

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Solution

The fourth proportional to 490,940,481.59, 677,512,214.45 and 267,936,475.49 is: 369,760,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,940,481.59 : 677,512,214.45 = 267,936,475.49 : x
  2. Step 2: Convert to fraction form
    490,940,481.59/677,512,214.45 = 267,936,475.49/x
  3. Step 3: Cross multiply
    490,940,481.59x = 677,512,214.45 × 267,936,475.49
  4. Step 4: Simplify right side
    490,940,481.59x = 181,530,234,836,430,816
  5. Step 5: Solve for x
    x = 181,530,234,836,430,816/490,940,481.59
  6. Step 6: Final answer
    x = 369,760,167.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.