Home / 728,842,044.68-1,093,876,217.66-682,873,643.76

Finding the Fourth Proportional to 728,842,044.68, 1,093,876,217.66 and 682,873,643.76

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Solution

The fourth proportional to 728,842,044.68, 1,093,876,217.66 and 682,873,643.76 is: 1,024,884,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,842,044.68 : 1,093,876,217.66 = 682,873,643.76 : x
  2. Step 2: Convert to fraction form
    728,842,044.68/1,093,876,217.66 = 682,873,643.76/x
  3. Step 3: Cross multiply
    728,842,044.68x = 1,093,876,217.66 × 682,873,643.76
  4. Step 4: Simplify right side
    728,842,044.68x = 746,979,238,579,654,656
  5. Step 5: Solve for x
    x = 746,979,238,579,654,656/728,842,044.68
  6. Step 6: Final answer
    x = 1,024,884,944.59

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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.