Home / 3,120,778,805.11-4,680,451,874.77-1,860,599,497.88

Finding the Fourth Proportional to 3,120,778,805.11, 4,680,451,874.77 and 1,860,599,497.88

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Solution

The fourth proportional to 3,120,778,805.11, 4,680,451,874.77 and 1,860,599,497.88 is: 2,790,472,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,778,805.11 : 4,680,451,874.77 = 1,860,599,497.88 : x
  2. Step 2: Convert to fraction form
    3,120,778,805.11/4,680,451,874.77 = 1,860,599,497.88/x
  3. Step 3: Cross multiply
    3,120,778,805.11x = 4,680,451,874.77 × 1,860,599,497.88
  4. Step 4: Simplify right side
    3,120,778,805.11x = 8,708,446,408,048,568,320
  5. Step 5: Solve for x
    x = 8,708,446,408,048,568,320/3,120,778,805.11
  6. Step 6: Final answer
    x = 2,790,472,171.17

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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.