Home / 480,332,473.92-720,557,013.60-135,286,100.73

Finding the Fourth Proportional to 480,332,473.92, 720,557,013.60 and 135,286,100.73

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Solution

The fourth proportional to 480,332,473.92, 720,557,013.60 and 135,286,100.73 is: 202,945,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,332,473.92 : 720,557,013.60 = 135,286,100.73 : x
  2. Step 2: Convert to fraction form
    480,332,473.92/720,557,013.60 = 135,286,100.73/x
  3. Step 3: Cross multiply
    480,332,473.92x = 720,557,013.60 × 135,286,100.73
  4. Step 4: Simplify right side
    480,332,473.92x = 97,481,348,723,597,568
  5. Step 5: Solve for x
    x = 97,481,348,723,597,568/480,332,473.92
  6. Step 6: Final answer
    x = 202,945,572.11

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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.