Home / 10,255,442,485.80-15,383,163,728.70-9,567,471,772.20

Finding the Fourth Proportional to 10,255,442,485.80, 15,383,163,728.70 and 9,567,471,772.20

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Solution

The fourth proportional to 10,255,442,485.80, 15,383,163,728.70 and 9,567,471,772.20 is: 14,351,207,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,442,485.80 : 15,383,163,728.70 = 9,567,471,772.20 : x
  2. Step 2: Convert to fraction form
    10,255,442,485.80/15,383,163,728.70 = 9,567,471,772.20/x
  3. Step 3: Cross multiply
    10,255,442,485.80x = 15,383,163,728.70 × 9,567,471,772.20
  4. Step 4: Simplify right side
    10,255,442,485.80x = 147,177,984,741,468,160,000
  5. Step 5: Solve for x
    x = 147,177,984,741,468,160,000/10,255,442,485.80
  6. Step 6: Final answer
    x = 14,351,207,658.30

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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.