Home / 318,940,992,022.20-478,411,488,033.30-267,085,199,484.60

Finding the Fourth Proportional to 318,940,992,022.20, 478,411,488,033.30 and 267,085,199,484.60

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Solution

The fourth proportional to 318,940,992,022.20, 478,411,488,033.30 and 267,085,199,484.60 is: 400,627,799,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,940,992,022.20 : 478,411,488,033.30 = 267,085,199,484.60 : x
  2. Step 2: Convert to fraction form
    318,940,992,022.20/478,411,488,033.30 = 267,085,199,484.60/x
  3. Step 3: Cross multiply
    318,940,992,022.20x = 478,411,488,033.30 × 267,085,199,484.60
  4. Step 4: Simplify right side
    318,940,992,022.20x = 127,776,627,717,098,247,815,168
  5. Step 5: Solve for x
    x = 127,776,627,717,098,247,815,168/318,940,992,022.20
  6. Step 6: Final answer
    x = 400,627,799,226.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.