Home / 682,507,604,983.65-941,503,410,386.36-422,002,040,939.85

Finding the Fourth Proportional to 682,507,604,983.65, 941,503,410,386.36 and 422,002,040,939.85

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Solution

The fourth proportional to 682,507,604,983.65, 941,503,410,386.36 and 422,002,040,939.85 is: 582,142,027,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,507,604,983.65 : 941,503,410,386.36 = 422,002,040,939.85 : x
  2. Step 2: Convert to fraction form
    682,507,604,983.65/941,503,410,386.36 = 422,002,040,939.85/x
  3. Step 3: Cross multiply
    682,507,604,983.65x = 941,503,410,386.36 × 422,002,040,939.85
  4. Step 4: Simplify right side
    682,507,604,983.65x = 397,316,360,734,873,053,298,688
  5. Step 5: Solve for x
    x = 397,316,360,734,873,053,298,688/682,507,604,983.65
  6. Step 6: Final answer
    x = 582,142,027,185.75

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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.