Home / 1,819,441,826.81-2,721,981,930.09-1,378,055,995.31

Finding the Fourth Proportional to 1,819,441,826.81, 2,721,981,930.09 and 1,378,055,995.31

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Solution

The fourth proportional to 1,819,441,826.81, 2,721,981,930.09 and 1,378,055,995.31 is: 2,061,645,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,441,826.81 : 2,721,981,930.09 = 1,378,055,995.31 : x
  2. Step 2: Convert to fraction form
    1,819,441,826.81/2,721,981,930.09 = 1,378,055,995.31/x
  3. Step 3: Cross multiply
    1,819,441,826.81x = 2,721,981,930.09 × 1,378,055,995.31
  4. Step 4: Simplify right side
    1,819,441,826.81x = 3,751,043,517,887,578,624
  5. Step 5: Solve for x
    x = 3,751,043,517,887,578,624/1,819,441,826.81
  6. Step 6: Final answer
    x = 2,061,645,204.93

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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.