Home / 1,261,848,768.26-1,891,081,227.90-982,067,501.92

Finding the Fourth Proportional to 1,261,848,768.26, 1,891,081,227.90 and 982,067,501.92

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Solution

The fourth proportional to 1,261,848,768.26, 1,891,081,227.90 and 982,067,501.92 is: 1,471,784,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,848,768.26 : 1,891,081,227.90 = 982,067,501.92 : x
  2. Step 2: Convert to fraction form
    1,261,848,768.26/1,891,081,227.90 = 982,067,501.92/x
  3. Step 3: Cross multiply
    1,261,848,768.26x = 1,891,081,227.90 × 982,067,501.92
  4. Step 4: Simplify right side
    1,261,848,768.26x = 1,857,169,417,416,524,032
  5. Step 5: Solve for x
    x = 1,857,169,417,416,524,032/1,261,848,768.26
  6. Step 6: Final answer
    x = 1,471,784,467.47

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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.