Home / 1,187,259,286.44-1,781,162,527.47-410,904,956.28

Finding the Fourth Proportional to 1,187,259,286.44, 1,781,162,527.47 and 410,904,956.28

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Solution

The fourth proportional to 1,187,259,286.44, 1,781,162,527.47 and 410,904,956.28 is: 616,452,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,259,286.44 : 1,781,162,527.47 = 410,904,956.28 : x
  2. Step 2: Convert to fraction form
    1,187,259,286.44/1,781,162,527.47 = 410,904,956.28/x
  3. Step 3: Cross multiply
    1,187,259,286.44x = 1,781,162,527.47 × 410,904,956.28
  4. Step 4: Simplify right side
    1,187,259,286.44x = 731,888,510,477,634,560
  5. Step 5: Solve for x
    x = 731,888,510,477,634,560/1,187,259,286.44
  6. Step 6: Final answer
    x = 616,452,125.36

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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.