Home / 20,162,683,859.80-30,244,025,789.70-5,440,681,658.20

Finding the Fourth Proportional to 20,162,683,859.80, 30,244,025,789.70 and 5,440,681,658.20

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Solution

The fourth proportional to 20,162,683,859.80, 30,244,025,789.70 and 5,440,681,658.20 is: 8,161,022,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,683,859.80 : 30,244,025,789.70 = 5,440,681,658.20 : x
  2. Step 2: Convert to fraction form
    20,162,683,859.80/30,244,025,789.70 = 5,440,681,658.20/x
  3. Step 3: Cross multiply
    20,162,683,859.80x = 30,244,025,789.70 × 5,440,681,658.20
  4. Step 4: Simplify right side
    20,162,683,859.80x = 164,548,116,384,148,553,728
  5. Step 5: Solve for x
    x = 164,548,116,384,148,553,728/20,162,683,859.80
  6. Step 6: Final answer
    x = 8,161,022,487.30

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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.