Home / 12,597,169,232.20-18,895,753,848.30-9,331,995,728.20

Finding the Fourth Proportional to 12,597,169,232.20, 18,895,753,848.30 and 9,331,995,728.20

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Solution

The fourth proportional to 12,597,169,232.20, 18,895,753,848.30 and 9,331,995,728.20 is: 13,997,993,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,169,232.20 : 18,895,753,848.30 = 9,331,995,728.20 : x
  2. Step 2: Convert to fraction form
    12,597,169,232.20/18,895,753,848.30 = 9,331,995,728.20/x
  3. Step 3: Cross multiply
    12,597,169,232.20x = 18,895,753,848.30 × 9,331,995,728.20
  4. Step 4: Simplify right side
    12,597,169,232.20x = 176,335,094,193,454,317,568
  5. Step 5: Solve for x
    x = 176,335,094,193,454,317,568/12,597,169,232.20
  6. Step 6: Final answer
    x = 13,997,993,592.30

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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.