Home / 1,507,568,862-2,261,354,119.20-689,107,206.72

Finding the Fourth Proportional to 1,507,568,862, 2,261,354,119.20 and 689,107,206.72

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Solution

The fourth proportional to 1,507,568,862, 2,261,354,119.20 and 689,107,206.72 is: 1,033,661,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,568,862 : 2,261,354,119.20 = 689,107,206.72 : x
  2. Step 2: Convert to fraction form
    1,507,568,862/2,261,354,119.20 = 689,107,206.72/x
  3. Step 3: Cross multiply
    1,507,568,862x = 2,261,354,119.20 × 689,107,206.72
  4. Step 4: Simplify right side
    1,507,568,862x = 1,558,315,420,486,677,760
  5. Step 5: Solve for x
    x = 1,558,315,420,486,677,760/1,507,568,862
  6. Step 6: Final answer
    x = 1,033,661,187.73

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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.