Home / 2,665,514,267.70-3,998,271,401.55-1,288,019,195.70

Finding the Fourth Proportional to 2,665,514,267.70, 3,998,271,401.55 and 1,288,019,195.70

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Solution

The fourth proportional to 2,665,514,267.70, 3,998,271,401.55 and 1,288,019,195.70 is: 1,932,028,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,514,267.70 : 3,998,271,401.55 = 1,288,019,195.70 : x
  2. Step 2: Convert to fraction form
    2,665,514,267.70/3,998,271,401.55 = 1,288,019,195.70/x
  3. Step 3: Cross multiply
    2,665,514,267.70x = 3,998,271,401.55 × 1,288,019,195.70
  4. Step 4: Simplify right side
    2,665,514,267.70x = 5,149,850,314,814,743,552
  5. Step 5: Solve for x
    x = 5,149,850,314,814,743,552/2,665,514,267.70
  6. Step 6: Final answer
    x = 1,932,028,793.55

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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.