Home / 3,948,994,190.13-5,449,956,745.82-2,165,192,406.18

Finding the Fourth Proportional to 3,948,994,190.13, 5,449,956,745.82 and 2,165,192,406.18

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Solution

The fourth proportional to 3,948,994,190.13, 5,449,956,745.82 and 2,165,192,406.18 is: 2,988,154,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,994,190.13 : 5,449,956,745.82 = 2,165,192,406.18 : x
  2. Step 2: Convert to fraction form
    3,948,994,190.13/5,449,956,745.82 = 2,165,192,406.18/x
  3. Step 3: Cross multiply
    3,948,994,190.13x = 5,449,956,745.82 × 2,165,192,406.18
  4. Step 4: Simplify right side
    3,948,994,190.13x = 11,800,204,960,048,101,376
  5. Step 5: Solve for x
    x = 11,800,204,960,048,101,376/3,948,994,190.13
  6. Step 6: Final answer
    x = 2,988,154,550.73

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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.