Home / 490,005,224.94-676,198,659.18-266,988,752.61

Finding the Fourth Proportional to 490,005,224.94, 676,198,659.18 and 266,988,752.61

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Solution

The fourth proportional to 490,005,224.94, 676,198,659.18 and 266,988,752.61 is: 368,439,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,005,224.94 : 676,198,659.18 = 266,988,752.61 : x
  2. Step 2: Convert to fraction form
    490,005,224.94/676,198,659.18 = 266,988,752.61/x
  3. Step 3: Cross multiply
    490,005,224.94x = 676,198,659.18 × 266,988,752.61
  4. Step 4: Simplify right side
    490,005,224.94x = 180,537,436,531,022,720
  5. Step 5: Solve for x
    x = 180,537,436,531,022,720/490,005,224.94
  6. Step 6: Final answer
    x = 368,439,819.30

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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.