Home / 1,187,259,272.69-1,781,162,506.85-410,904,942.53

Finding the Fourth Proportional to 1,187,259,272.69, 1,781,162,506.85 and 410,904,942.53

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Solution

The fourth proportional to 1,187,259,272.69, 1,781,162,506.85 and 410,904,942.53 is: 616,452,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,259,272.69 : 1,781,162,506.85 = 410,904,942.53 : x
  2. Step 2: Convert to fraction form
    1,187,259,272.69/1,781,162,506.85 = 410,904,942.53/x
  3. Step 3: Cross multiply
    1,187,259,272.69x = 1,781,162,506.85 × 410,904,942.53
  4. Step 4: Simplify right side
    1,187,259,272.69x = 731,888,477,502,829,568
  5. Step 5: Solve for x
    x = 731,888,477,502,829,568/1,187,259,272.69
  6. Step 6: Final answer
    x = 616,452,104.73

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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.