Home / 322,415,998.20-483,623,997.30-80,078,902.20

Finding the Fourth Proportional to 322,415,998.20, 483,623,997.30 and 80,078,902.20

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Solution

The fourth proportional to 322,415,998.20, 483,623,997.30 and 80,078,902.20 is: 120,118,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,415,998.20 : 483,623,997.30 = 80,078,902.20 : x
  2. Step 2: Convert to fraction form
    322,415,998.20/483,623,997.30 = 80,078,902.20/x
  3. Step 3: Cross multiply
    322,415,998.20x = 483,623,997.30 × 80,078,902.20
  4. Step 4: Simplify right side
    322,415,998.20x = 38,728,078,781,359,768
  5. Step 5: Solve for x
    x = 38,728,078,781,359,768/322,415,998.20
  6. Step 6: Final answer
    x = 120,118,353.30

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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.