Home / 655,055,079.36-982,922,680.80-267,162,486.72

Finding the Fourth Proportional to 655,055,079.36, 982,922,680.80 and 267,162,486.72

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Solution

The fourth proportional to 655,055,079.36, 982,922,680.80 and 267,162,486.72 is: 400,882,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,055,079.36 : 982,922,680.80 = 267,162,486.72 : x
  2. Step 2: Convert to fraction form
    655,055,079.36/982,922,680.80 = 267,162,486.72/x
  3. Step 3: Cross multiply
    655,055,079.36x = 982,922,680.80 × 267,162,486.72
  4. Step 4: Simplify right side
    655,055,079.36x = 262,600,067,656,016,800
  5. Step 5: Solve for x
    x = 262,600,067,656,016,800/655,055,079.36
  6. Step 6: Final answer
    x = 400,882,423.37

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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.