Home / 1,507,568,854-2,261,354,107.20-689,107,198.72

Finding the Fourth Proportional to 1,507,568,854, 2,261,354,107.20 and 689,107,198.72

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Solution

The fourth proportional to 1,507,568,854, 2,261,354,107.20 and 689,107,198.72 is: 1,033,661,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,568,854 : 2,261,354,107.20 = 689,107,198.72 : x
  2. Step 2: Convert to fraction form
    1,507,568,854/2,261,354,107.20 = 689,107,198.72/x
  3. Step 3: Cross multiply
    1,507,568,854x = 2,261,354,107.20 × 689,107,198.72
  4. Step 4: Simplify right side
    1,507,568,854x = 1,558,315,394,126,558,464
  5. Step 5: Solve for x
    x = 1,558,315,394,126,558,464/1,507,568,854
  6. Step 6: Final answer
    x = 1,033,661,175.73

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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.