Home / 8,083,253,105.70-12,124,879,658.55-3,945,351,128.10

Finding the Fourth Proportional to 8,083,253,105.70, 12,124,879,658.55 and 3,945,351,128.10

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Solution

The fourth proportional to 8,083,253,105.70, 12,124,879,658.55 and 3,945,351,128.10 is: 5,918,026,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,253,105.70 : 12,124,879,658.55 = 3,945,351,128.10 : x
  2. Step 2: Convert to fraction form
    8,083,253,105.70/12,124,879,658.55 = 3,945,351,128.10/x
  3. Step 3: Cross multiply
    8,083,253,105.70x = 12,124,879,658.55 × 3,945,351,128.10
  4. Step 4: Simplify right side
    8,083,253,105.70x = 47,836,907,638,936,977,408
  5. Step 5: Solve for x
    x = 47,836,907,638,936,977,408/8,083,253,105.70
  6. Step 6: Final answer
    x = 5,918,026,692.15

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Double scale
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Similar ratio
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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.