Home / 8,503,071,205.20-12,754,606,807.80-2,981,611,791.60

Finding the Fourth Proportional to 8,503,071,205.20, 12,754,606,807.80 and 2,981,611,791.60

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Solution

The fourth proportional to 8,503,071,205.20, 12,754,606,807.80 and 2,981,611,791.60 is: 4,472,417,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,071,205.20 : 12,754,606,807.80 = 2,981,611,791.60 : x
  2. Step 2: Convert to fraction form
    8,503,071,205.20/12,754,606,807.80 = 2,981,611,791.60/x
  3. Step 3: Cross multiply
    8,503,071,205.20x = 12,754,606,807.80 × 2,981,611,791.60
  4. Step 4: Simplify right side
    8,503,071,205.20x = 38,029,286,055,358,111,744
  5. Step 5: Solve for x
    x = 38,029,286,055,358,111,744/8,503,071,205.20
  6. Step 6: Final answer
    x = 4,472,417,687.40

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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.