Home / 3,899,633,178.22-5,381,493,785.78-2,228,918,191.68

Finding the Fourth Proportional to 3,899,633,178.22, 5,381,493,785.78 and 2,228,918,191.68

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Solution

The fourth proportional to 3,899,633,178.22, 5,381,493,785.78 and 2,228,918,191.68 is: 3,075,907,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,633,178.22 : 5,381,493,785.78 = 2,228,918,191.68 : x
  2. Step 2: Convert to fraction form
    3,899,633,178.22/5,381,493,785.78 = 2,228,918,191.68/x
  3. Step 3: Cross multiply
    3,899,633,178.22x = 5,381,493,785.78 × 2,228,918,191.68
  4. Step 4: Simplify right side
    3,899,633,178.22x = 11,994,909,397,537,912,832
  5. Step 5: Solve for x
    x = 11,994,909,397,537,912,832/3,899,633,178.22
  6. Step 6: Final answer
    x = 3,075,907,104.42

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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.