Home / 3,781,067,449.32-5,218,330,628.74-2,151,986,369.47

Finding the Fourth Proportional to 3,781,067,449.32, 5,218,330,628.74 and 2,151,986,369.47

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Solution

The fourth proportional to 3,781,067,449.32, 5,218,330,628.74 and 2,151,986,369.47 is: 2,970,001,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,067,449.32 : 5,218,330,628.74 = 2,151,986,369.47 : x
  2. Step 2: Convert to fraction form
    3,781,067,449.32/5,218,330,628.74 = 2,151,986,369.47/x
  3. Step 3: Cross multiply
    3,781,067,449.32x = 5,218,330,628.74 × 2,151,986,369.47
  4. Step 4: Simplify right side
    3,781,067,449.32x = 11,229,776,384,427,784,192
  5. Step 5: Solve for x
    x = 11,229,776,384,427,784,192/3,781,067,449.32
  6. Step 6: Final answer
    x = 2,970,001,602.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.