Home / 682,507,707,078.15-941,503,550,900.36-422,002,142,834.22

Finding the Fourth Proportional to 682,507,707,078.15, 941,503,550,900.36 and 422,002,142,834.22

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Solution

The fourth proportional to 682,507,707,078.15, 941,503,550,900.36 and 422,002,142,834.22 is: 582,142,167,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,507,707,078.15 : 941,503,550,900.36 = 422,002,142,834.22 : x
  2. Step 2: Convert to fraction form
    682,507,707,078.15/941,503,550,900.36 = 422,002,142,834.22/x
  3. Step 3: Cross multiply
    682,507,707,078.15x = 941,503,550,900.36 × 422,002,142,834.22
  4. Step 4: Simplify right side
    682,507,707,078.15x = 397,316,515,965,978,999,259,136
  5. Step 5: Solve for x
    x = 397,316,515,965,978,999,259,136/682,507,707,078.15
  6. Step 6: Final answer
    x = 582,142,167,546.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.