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Finding the Fourth Proportional to 2,139,408,059.60, 3,204,010,255.78 and 2,139,408,059.60

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Solution

The fourth proportional to 2,139,408,059.60, 3,204,010,255.78 and 2,139,408,059.60 is: 3,204,010,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,408,059.60 : 3,204,010,255.78 = 2,139,408,059.60 : x
  2. Step 2: Convert to fraction form
    2,139,408,059.60/3,204,010,255.78 = 2,139,408,059.60/x
  3. Step 3: Cross multiply
    2,139,408,059.60x = 3,204,010,255.78 × 2,139,408,059.60
  4. Step 4: Simplify right side
    2,139,408,059.60x = 6,854,685,364,256,789,504
  5. Step 5: Solve for x
    x = 6,854,685,364,256,789,504/2,139,408,059.60
  6. Step 6: Final answer
    x = 3,204,010,255.78

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1.5x scale

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.