Home / 10,255,441,966.80-15,383,162,950.20-9,567,471,253.20

Finding the Fourth Proportional to 10,255,441,966.80, 15,383,162,950.20 and 9,567,471,253.20

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Solution

The fourth proportional to 10,255,441,966.80, 15,383,162,950.20 and 9,567,471,253.20 is: 14,351,206,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,441,966.80 : 15,383,162,950.20 = 9,567,471,253.20 : x
  2. Step 2: Convert to fraction form
    10,255,441,966.80/15,383,162,950.20 = 9,567,471,253.20/x
  3. Step 3: Cross multiply
    10,255,441,966.80x = 15,383,162,950.20 × 9,567,471,253.20
  4. Step 4: Simplify right side
    10,255,441,966.80x = 147,177,969,309,329,817,600
  5. Step 5: Solve for x
    x = 147,177,969,309,329,817,600/10,255,441,966.80
  6. Step 6: Final answer
    x = 14,351,206,879.80

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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.