Home / 2,321,377,451.78-3,203,469,178.69-1,317,786,257.44

Finding the Fourth Proportional to 2,321,377,451.78, 3,203,469,178.69 and 1,317,786,257.44

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Solution

The fourth proportional to 2,321,377,451.78, 3,203,469,178.69 and 1,317,786,257.44 is: 1,818,527,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,377,451.78 : 3,203,469,178.69 = 1,317,786,257.44 : x
  2. Step 2: Convert to fraction form
    2,321,377,451.78/3,203,469,178.69 = 1,317,786,257.44/x
  3. Step 3: Cross multiply
    2,321,377,451.78x = 3,203,469,178.69 × 1,317,786,257.44
  4. Step 4: Simplify right side
    2,321,377,451.78x = 4,221,487,659,787,679,232
  5. Step 5: Solve for x
    x = 4,221,487,659,787,679,232/2,321,377,451.78
  6. Step 6: Final answer
    x = 1,818,527,037.28

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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.