Home / 821,510,500.70-1,232,275,217.28-296,919,443.03

Finding the Fourth Proportional to 821,510,500.70, 1,232,275,217.28 and 296,919,443.03

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Solution

The fourth proportional to 821,510,500.70, 1,232,275,217.28 and 296,919,443.03 is: 445,382,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,510,500.70 : 1,232,275,217.28 = 296,919,443.03 : x
  2. Step 2: Convert to fraction form
    821,510,500.70/1,232,275,217.28 = 296,919,443.03/x
  3. Step 3: Cross multiply
    821,510,500.70x = 1,232,275,217.28 × 296,919,443.03
  4. Step 4: Simplify right side
    821,510,500.70x = 365,886,471,177,530,560
  5. Step 5: Solve for x
    x = 365,886,471,177,530,560/821,510,500.70
  6. Step 6: Final answer
    x = 445,382,585.94

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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.