Home / 682,212,821.88-1,023,319,415.07-190,998,450.12

Finding the Fourth Proportional to 682,212,821.88, 1,023,319,415.07 and 190,998,450.12

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Solution

The fourth proportional to 682,212,821.88, 1,023,319,415.07 and 190,998,450.12 is: 286,497,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,212,821.88 : 1,023,319,415.07 = 190,998,450.12 : x
  2. Step 2: Convert to fraction form
    682,212,821.88/1,023,319,415.07 = 190,998,450.12/x
  3. Step 3: Cross multiply
    682,212,821.88x = 1,023,319,415.07 × 190,998,450.12
  4. Step 4: Simplify right side
    682,212,821.88x = 195,452,422,256,074,976
  5. Step 5: Solve for x
    x = 195,452,422,256,074,976/682,212,821.88
  6. Step 6: Final answer
    x = 286,497,726.20

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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.