Home / 1,360,413,286.88-2,040,943,732.68-440,289,626.72

Finding the Fourth Proportional to 1,360,413,286.88, 2,040,943,732.68 and 440,289,626.72

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Solution

The fourth proportional to 1,360,413,286.88, 2,040,943,732.68 and 440,289,626.72 is: 660,539,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,413,286.88 : 2,040,943,732.68 = 440,289,626.72 : x
  2. Step 2: Convert to fraction form
    1,360,413,286.88/2,040,943,732.68 = 440,289,626.72/x
  3. Step 3: Cross multiply
    1,360,413,286.88x = 2,040,943,732.68 × 440,289,626.72
  4. Step 4: Simplify right side
    1,360,413,286.88x = 898,606,354,218,200,704
  5. Step 5: Solve for x
    x = 898,606,354,218,200,704/1,360,413,286.88
  6. Step 6: Final answer
    x = 660,539,236.78

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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.