Home / 443,232,579.40-664,848,869.10-136,484,834.20

Finding the Fourth Proportional to 443,232,579.40, 664,848,869.10 and 136,484,834.20

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Solution

The fourth proportional to 443,232,579.40, 664,848,869.10 and 136,484,834.20 is: 204,727,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,579.40 : 664,848,869.10 = 136,484,834.20 : x
  2. Step 2: Convert to fraction form
    443,232,579.40/664,848,869.10 = 136,484,834.20/x
  3. Step 3: Cross multiply
    443,232,579.40x = 664,848,869.10 × 136,484,834.20
  4. Step 4: Simplify right side
    443,232,579.40x = 90,741,787,667,170,992
  5. Step 5: Solve for x
    x = 90,741,787,667,170,992/443,232,579.40
  6. Step 6: Final answer
    x = 204,727,251.30

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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.