Home / 10,236,207,234.80-15,354,310,852.20-8,491,380,143.60

Finding the Fourth Proportional to 10,236,207,234.80, 15,354,310,852.20 and 8,491,380,143.60

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Solution

The fourth proportional to 10,236,207,234.80, 15,354,310,852.20 and 8,491,380,143.60 is: 12,737,070,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236,207,234.80 : 15,354,310,852.20 = 8,491,380,143.60 : x
  2. Step 2: Convert to fraction form
    10,236,207,234.80/15,354,310,852.20 = 8,491,380,143.60/x
  3. Step 3: Cross multiply
    10,236,207,234.80x = 15,354,310,852.20 × 8,491,380,143.60
  4. Step 4: Simplify right side
    10,236,207,234.80x = 130,379,290,289,033,084,928
  5. Step 5: Solve for x
    x = 130,379,290,289,033,084,928/10,236,207,234.80
  6. Step 6: Final answer
    x = 12,737,070,215.40

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Double scale
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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.