Home / 680,117,220.88-1,019,112,949.26-473,259,790.36

Finding the Fourth Proportional to 680,117,220.88, 1,019,112,949.26 and 473,259,790.36

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Solution

The fourth proportional to 680,117,220.88, 1,019,112,949.26 and 473,259,790.36 is: 709,150,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,117,220.88 : 1,019,112,949.26 = 473,259,790.36 : x
  2. Step 2: Convert to fraction form
    680,117,220.88/1,019,112,949.26 = 473,259,790.36/x
  3. Step 3: Cross multiply
    680,117,220.88x = 1,019,112,949.26 × 473,259,790.36
  4. Step 4: Simplify right side
    680,117,220.88x = 482,305,180,719,948,928
  5. Step 5: Solve for x
    x = 482,305,180,719,948,928/680,117,220.88
  6. Step 6: Final answer
    x = 709,150,078.71

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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.