Home / 725,083,680.24-1,087,624,535.76-336,694,131.36

Finding the Fourth Proportional to 725,083,680.24, 1,087,624,535.76 and 336,694,131.36

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Solution

The fourth proportional to 725,083,680.24, 1,087,624,535.76 and 336,694,131.36 is: 505,040,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,083,680.24 : 1,087,624,535.76 = 336,694,131.36 : x
  2. Step 2: Convert to fraction form
    725,083,680.24/1,087,624,535.76 = 336,694,131.36/x
  3. Step 3: Cross multiply
    725,083,680.24x = 1,087,624,535.76 × 336,694,131.36
  4. Step 4: Simplify right side
    725,083,680.24x = 366,196,798,313,536,448
  5. Step 5: Solve for x
    x = 366,196,798,313,536,448/725,083,680.24
  6. Step 6: Final answer
    x = 505,040,739.84

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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.