Home / 490,934,074.14-677,488,843.38-267,915,756.36

Finding the Fourth Proportional to 490,934,074.14, 677,488,843.38 and 267,915,756.36

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Solution

The fourth proportional to 490,934,074.14, 677,488,843.38 and 267,915,756.36 is: 369,723,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,934,074.14 : 677,488,843.38 = 267,915,756.36 : x
  2. Step 2: Convert to fraction form
    490,934,074.14/677,488,843.38 = 267,915,756.36/x
  3. Step 3: Cross multiply
    490,934,074.14x = 677,488,843.38 × 267,915,756.36
  4. Step 4: Simplify right side
    490,934,074.14x = 181,509,935,899,614,272
  5. Step 5: Solve for x
    x = 181,509,935,899,614,272/490,934,074.14
  6. Step 6: Final answer
    x = 369,723,646.13

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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.