Home / 306,220,441,097.31-422,582,058,979.24-167,171,722,822.64

Finding the Fourth Proportional to 306,220,441,097.31, 422,582,058,979.24 and 167,171,722,822.64

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Solution

The fourth proportional to 306,220,441,097.31, 422,582,058,979.24 and 167,171,722,822.64 is: 230,695,803,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,220,441,097.31 : 422,582,058,979.24 = 167,171,722,822.64 : x
  2. Step 2: Convert to fraction form
    306,220,441,097.31/422,582,058,979.24 = 167,171,722,822.64/x
  3. Step 3: Cross multiply
    306,220,441,097.31x = 422,582,058,979.24 × 167,171,722,822.64
  4. Step 4: Simplify right side
    306,220,441,097.31x = 70,643,770,833,498,022,084,608
  5. Step 5: Solve for x
    x = 70,643,770,833,498,022,084,608/306,220,441,097.31
  6. Step 6: Final answer
    x = 230,695,803,912.87

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1.5x scale

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.