Home / 12,597,150,216.60-18,895,725,324.90-7,699,389,960.60

Finding the Fourth Proportional to 12,597,150,216.60, 18,895,725,324.90 and 7,699,389,960.60

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Solution

The fourth proportional to 12,597,150,216.60, 18,895,725,324.90 and 7,699,389,960.60 is: 11,549,084,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,150,216.60 : 18,895,725,324.90 = 7,699,389,960.60 : x
  2. Step 2: Convert to fraction form
    12,597,150,216.60/18,895,725,324.90 = 7,699,389,960.60/x
  3. Step 3: Cross multiply
    12,597,150,216.60x = 18,895,725,324.90 × 7,699,389,960.60
  4. Step 4: Simplify right side
    12,597,150,216.60x = 145,485,557,864,790,245,376
  5. Step 5: Solve for x
    x = 145,485,557,864,790,245,376/12,597,150,216.60
  6. Step 6: Final answer
    x = 11,549,084,940.90

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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.