Home / 1,279,704,252.11-1,919,628,122.31-359,508,847.01

Finding the Fourth Proportional to 1,279,704,252.11, 1,919,628,122.31 and 359,508,847.01

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Solution

The fourth proportional to 1,279,704,252.11, 1,919,628,122.31 and 359,508,847.01 is: 539,283,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,704,252.11 : 1,919,628,122.31 = 359,508,847.01 : x
  2. Step 2: Convert to fraction form
    1,279,704,252.11/1,919,628,122.31 = 359,508,847.01/x
  3. Step 3: Cross multiply
    1,279,704,252.11x = 1,919,628,122.31 × 359,508,847.01
  4. Step 4: Simplify right side
    1,279,704,252.11x = 690,123,292,930,041,216
  5. Step 5: Solve for x
    x = 690,123,292,930,041,216/1,279,704,252.11
  6. Step 6: Final answer
    x = 539,283,425.68

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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.