Home / 3,907,766,745.60-5,392,770,690.56-2,123,655,613.44

Finding the Fourth Proportional to 3,907,766,745.60, 5,392,770,690.56 and 2,123,655,613.44

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Solution

The fourth proportional to 3,907,766,745.60, 5,392,770,690.56 and 2,123,655,613.44 is: 2,930,673,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,766,745.60 : 5,392,770,690.56 = 2,123,655,613.44 : x
  2. Step 2: Convert to fraction form
    3,907,766,745.60/5,392,770,690.56 = 2,123,655,613.44/x
  3. Step 3: Cross multiply
    3,907,766,745.60x = 5,392,770,690.56 × 2,123,655,613.44
  4. Step 4: Simplify right side
    3,907,766,745.60x = 11,452,387,749,002,450,944
  5. Step 5: Solve for x
    x = 11,452,387,749,002,450,944/3,907,766,745.60
  6. Step 6: Final answer
    x = 2,930,673,321.76

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1.5x scale

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.