Home / 787,321,667.88-1,086,536,909.88-452,794,451.52

Finding the Fourth Proportional to 787,321,667.88, 1,086,536,909.88 and 452,794,451.52

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Solution

The fourth proportional to 787,321,667.88, 1,086,536,909.88 and 452,794,451.52 is: 624,875,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,321,667.88 : 1,086,536,909.88 = 452,794,451.52 : x
  2. Step 2: Convert to fraction form
    787,321,667.88/1,086,536,909.88 = 452,794,451.52/x
  3. Step 3: Cross multiply
    787,321,667.88x = 1,086,536,909.88 × 452,794,451.52
  4. Step 4: Simplify right side
    787,321,667.88x = 491,977,884,165,350,272
  5. Step 5: Solve for x
    x = 491,977,884,165,350,272/787,321,667.88
  6. Step 6: Final answer
    x = 624,875,326.36

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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.