Home / 490,934,104.08-677,488,884.72-267,915,786.48

Finding the Fourth Proportional to 490,934,104.08, 677,488,884.72 and 267,915,786.48

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Solution

The fourth proportional to 490,934,104.08, 677,488,884.72 and 267,915,786.48 is: 369,723,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,934,104.08 : 677,488,884.72 = 267,915,786.48 : x
  2. Step 2: Convert to fraction form
    490,934,104.08/677,488,884.72 = 267,915,786.48/x
  3. Step 3: Cross multiply
    490,934,104.08x = 677,488,884.72 × 267,915,786.48
  4. Step 4: Simplify right side
    490,934,104.08x = 181,509,967,381,216,864
  5. Step 5: Solve for x
    x = 181,509,967,381,216,864/490,934,104.08
  6. Step 6: Final answer
    x = 369,723,687.71

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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.