Home / 1,187,259,283.94-1,781,162,523.72-410,904,953.78

Finding the Fourth Proportional to 1,187,259,283.94, 1,781,162,523.72 and 410,904,953.78

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Solution

The fourth proportional to 1,187,259,283.94, 1,781,162,523.72 and 410,904,953.78 is: 616,452,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,259,283.94 : 1,781,162,523.72 = 410,904,953.78 : x
  2. Step 2: Convert to fraction form
    1,187,259,283.94/1,781,162,523.72 = 410,904,953.78/x
  3. Step 3: Cross multiply
    1,187,259,283.94x = 1,781,162,523.72 × 410,904,953.78
  4. Step 4: Simplify right side
    1,187,259,283.94x = 731,888,504,474,928,896
  5. Step 5: Solve for x
    x = 731,888,504,474,928,896/1,187,259,283.94
  6. Step 6: Final answer
    x = 616,452,121.60

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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.