Home / 6,121,444,694.80-9,182,167,042.20-1,981,306,728.40

Finding the Fourth Proportional to 6,121,444,694.80, 9,182,167,042.20 and 1,981,306,728.40

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Solution

The fourth proportional to 6,121,444,694.80, 9,182,167,042.20 and 1,981,306,728.40 is: 2,971,960,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,444,694.80 : 9,182,167,042.20 = 1,981,306,728.40 : x
  2. Step 2: Convert to fraction form
    6,121,444,694.80/9,182,167,042.20 = 1,981,306,728.40/x
  3. Step 3: Cross multiply
    6,121,444,694.80x = 9,182,167,042.20 × 1,981,306,728.40
  4. Step 4: Simplify right side
    6,121,444,694.80x = 18,192,689,342,003,589,120
  5. Step 5: Solve for x
    x = 18,192,689,342,003,589,120/6,121,444,694.80
  6. Step 6: Final answer
    x = 2,971,960,092.60

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1.5x scale

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.