Home / 490,746,437.82-677,232,280.82-267,727,443.61

Finding the Fourth Proportional to 490,746,437.82, 677,232,280.82 and 267,727,443.61

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Solution

The fourth proportional to 490,746,437.82, 677,232,280.82 and 267,727,443.61 is: 369,465,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,746,437.82 : 677,232,280.82 = 267,727,443.61 : x
  2. Step 2: Convert to fraction form
    490,746,437.82/677,232,280.82 = 267,727,443.61/x
  3. Step 3: Cross multiply
    490,746,437.82x = 677,232,280.82 × 267,727,443.61
  4. Step 4: Simplify right side
    490,746,437.82x = 181,313,667,271,335,552
  5. Step 5: Solve for x
    x = 181,313,667,271,335,552/490,746,437.82
  6. Step 6: Final answer
    x = 369,465,070.55

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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.