Home / 1,951,616,082.80-2,690,628,977.12-1,551,067,340.36

Finding the Fourth Proportional to 1,951,616,082.80, 2,690,628,977.12 and 1,551,067,340.36

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Solution

The fourth proportional to 1,951,616,082.80, 2,690,628,977.12 and 1,551,067,340.36 is: 2,138,405,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,616,082.80 : 2,690,628,977.12 = 1,551,067,340.36 : x
  2. Step 2: Convert to fraction form
    1,951,616,082.80/2,690,628,977.12 = 1,551,067,340.36/x
  3. Step 3: Cross multiply
    1,951,616,082.80x = 2,690,628,977.12 × 1,551,067,340.36
  4. Step 4: Simplify right side
    1,951,616,082.80x = 4,173,346,731,415,857,152
  5. Step 5: Solve for x
    x = 4,173,346,731,415,857,152/1,951,616,082.80
  6. Step 6: Final answer
    x = 2,138,405,585.09

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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.