Home / 10,236,207,238.80-15,354,310,858.20-8,491,380,147.60

Finding the Fourth Proportional to 10,236,207,238.80, 15,354,310,858.20 and 8,491,380,147.60

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Solution

The fourth proportional to 10,236,207,238.80, 15,354,310,858.20 and 8,491,380,147.60 is: 12,737,070,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236,207,238.80 : 15,354,310,858.20 = 8,491,380,147.60 : x
  2. Step 2: Convert to fraction form
    10,236,207,238.80/15,354,310,858.20 = 8,491,380,147.60/x
  3. Step 3: Cross multiply
    10,236,207,238.80x = 15,354,310,858.20 × 8,491,380,147.60
  4. Step 4: Simplify right side
    10,236,207,238.80x = 130,379,290,401,398,603,776
  5. Step 5: Solve for x
    x = 130,379,290,401,398,603,776/10,236,207,238.80
  6. Step 6: Final answer
    x = 12,737,070,221.40

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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.