Home / 728,354,333.92-1,091,414,556.24-494,887,709.92

Finding the Fourth Proportional to 728,354,333.92, 1,091,414,556.24 and 494,887,709.92

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Solution

The fourth proportional to 728,354,333.92, 1,091,414,556.24 and 494,887,709.92 is: 741,572,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,354,333.92 : 1,091,414,556.24 = 494,887,709.92 : x
  2. Step 2: Convert to fraction form
    728,354,333.92/1,091,414,556.24 = 494,887,709.92/x
  3. Step 3: Cross multiply
    728,354,333.92x = 1,091,414,556.24 × 494,887,709.92
  4. Step 4: Simplify right side
    728,354,333.92x = 540,127,650,310,966,656
  5. Step 5: Solve for x
    x = 540,127,650,310,966,656/728,354,333.92
  6. Step 6: Final answer
    x = 741,572,645.56

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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.