Home / 490,025,449.44-676,227,114-267,009,776.82

Finding the Fourth Proportional to 490,025,449.44, 676,227,114 and 267,009,776.82

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Solution

The fourth proportional to 490,025,449.44, 676,227,114 and 267,009,776.82 is: 368,469,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,025,449.44 : 676,227,114 = 267,009,776.82 : x
  2. Step 2: Convert to fraction form
    490,025,449.44/676,227,114 = 267,009,776.82/x
  3. Step 3: Cross multiply
    490,025,449.44x = 676,227,114 × 267,009,776.82
  4. Step 4: Simplify right side
    490,025,449.44x = 180,559,250,788,772,704
  5. Step 5: Solve for x
    x = 180,559,250,788,772,704/490,025,449.44
  6. Step 6: Final answer
    x = 368,469,129.50

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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.