Home / 322,569,215,998.40-483,853,823,997.60-211,117,960,395.20

Finding the Fourth Proportional to 322,569,215,998.40, 483,853,823,997.60 and 211,117,960,395.20

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Solution

The fourth proportional to 322,569,215,998.40, 483,853,823,997.60 and 211,117,960,395.20 is: 316,676,940,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569,215,998.40 : 483,853,823,997.60 = 211,117,960,395.20 : x
  2. Step 2: Convert to fraction form
    322,569,215,998.40/483,853,823,997.60 = 211,117,960,395.20/x
  3. Step 3: Cross multiply
    322,569,215,998.40x = 483,853,823,997.60 × 211,117,960,395.20
  4. Step 4: Simplify right side
    322,569,215,998.40x = 102,150,232,451,791,380,807,680
  5. Step 5: Solve for x
    x = 102,150,232,451,791,380,807,680/322,569,215,998.40
  6. Step 6: Final answer
    x = 316,676,940,592.80

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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.