Home / 490,899,905.56-677,456,176.20-267,895,951.22

Finding the Fourth Proportional to 490,899,905.56, 677,456,176.20 and 267,895,951.22

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Solution

The fourth proportional to 490,899,905.56, 677,456,176.20 and 267,895,951.22 is: 369,704,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,899,905.56 : 677,456,176.20 = 267,895,951.22 : x
  2. Step 2: Convert to fraction form
    490,899,905.56/677,456,176.20 = 267,895,951.22/x
  3. Step 3: Cross multiply
    490,899,905.56x = 677,456,176.20 × 267,895,951.22
  4. Step 4: Simplify right side
    490,899,905.56x = 181,487,766,732,962,944
  5. Step 5: Solve for x
    x = 181,487,766,732,962,944/490,899,905.56
  6. Step 6: Final answer
    x = 369,704,220.10

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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.