Home / 1,991,396,933.14-2,748,055,742.52-1,099,304,512.78

Finding the Fourth Proportional to 1,991,396,933.14, 2,748,055,742.52 and 1,099,304,512.78

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Solution

The fourth proportional to 1,991,396,933.14, 2,748,055,742.52 and 1,099,304,512.78 is: 1,517,000,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,396,933.14 : 2,748,055,742.52 = 1,099,304,512.78 : x
  2. Step 2: Convert to fraction form
    1,991,396,933.14/2,748,055,742.52 = 1,099,304,512.78/x
  3. Step 3: Cross multiply
    1,991,396,933.14x = 2,748,055,742.52 × 1,099,304,512.78
  4. Step 4: Simplify right side
    1,991,396,933.14x = 3,020,950,079,123,229,696
  5. Step 5: Solve for x
    x = 3,020,950,079,123,229,696/1,991,396,933.14
  6. Step 6: Final answer
    x = 1,517,000,467.79

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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.