Home / 1,273,188,351.30-1,910,790,296.55-497,205,759.30

Finding the Fourth Proportional to 1,273,188,351.30, 1,910,790,296.55 and 497,205,759.30

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Solution

The fourth proportional to 1,273,188,351.30, 1,910,790,296.55 and 497,205,759.30 is: 746,202,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,188,351.30 : 1,910,790,296.55 = 497,205,759.30 : x
  2. Step 2: Convert to fraction form
    1,273,188,351.30/1,910,790,296.55 = 497,205,759.30/x
  3. Step 3: Cross multiply
    1,273,188,351.30x = 1,910,790,296.55 × 497,205,759.30
  4. Step 4: Simplify right side
    1,273,188,351.30x = 950,055,940,259,214,976
  5. Step 5: Solve for x
    x = 950,055,940,259,214,976/1,273,188,351.30
  6. Step 6: Final answer
    x = 746,202,193.33

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Double scale
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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.