Home / 1,819,441,829.31-2,721,981,933.82-1,378,055,997.82

Finding the Fourth Proportional to 1,819,441,829.31, 2,721,981,933.82 and 1,378,055,997.82

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Solution

The fourth proportional to 1,819,441,829.31, 2,721,981,933.82 and 1,378,055,997.82 is: 2,061,645,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,441,829.31 : 2,721,981,933.82 = 1,378,055,997.82 : x
  2. Step 2: Convert to fraction form
    1,819,441,829.31/2,721,981,933.82 = 1,378,055,997.82/x
  3. Step 3: Cross multiply
    1,819,441,829.31x = 2,721,981,933.82 × 1,378,055,997.82
  4. Step 4: Simplify right side
    1,819,441,829.31x = 3,751,043,529,858,333,184
  5. Step 5: Solve for x
    x = 3,751,043,529,858,333,184/1,819,441,829.31
  6. Step 6: Final answer
    x = 2,061,645,208.67

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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.