Home / 318,940,992,023.70-478,411,488,035.55-267,085,199,486.10

Finding the Fourth Proportional to 318,940,992,023.70, 478,411,488,035.55 and 267,085,199,486.10

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Solution

The fourth proportional to 318,940,992,023.70, 478,411,488,035.55 and 267,085,199,486.10 is: 400,627,799,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,940,992,023.70 : 478,411,488,035.55 = 267,085,199,486.10 : x
  2. Step 2: Convert to fraction form
    318,940,992,023.70/478,411,488,035.55 = 267,085,199,486.10/x
  3. Step 3: Cross multiply
    318,940,992,023.70x = 478,411,488,035.55 × 267,085,199,486.10
  4. Step 4: Simplify right side
    318,940,992,023.70x = 127,776,627,718,416,819,552,256
  5. Step 5: Solve for x
    x = 127,776,627,718,416,819,552,256/318,940,992,023.70
  6. Step 6: Final answer
    x = 400,627,799,229.15

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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.