Home / 3,527,413,990.72-5,291,135,251-1,428,930,082.80

Finding the Fourth Proportional to 3,527,413,990.72, 5,291,135,251 and 1,428,930,082.80

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Solution

The fourth proportional to 3,527,413,990.72, 5,291,135,251 and 1,428,930,082.80 is: 2,143,400,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527,413,990.72 : 5,291,135,251 = 1,428,930,082.80 : x
  2. Step 2: Convert to fraction form
    3,527,413,990.72/5,291,135,251 = 1,428,930,082.80/x
  3. Step 3: Cross multiply
    3,527,413,990.72x = 5,291,135,251 × 1,428,930,082.80
  4. Step 4: Simplify right side
    3,527,413,990.72x = 7,560,662,332,317,428,736
  5. Step 5: Solve for x
    x = 7,560,662,332,317,428,736/3,527,413,990.72
  6. Step 6: Final answer
    x = 2,143,400,902.82

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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.