Home / 262,725,786.40-394,088,679.60-165,979,904.80

Finding the Fourth Proportional to 262,725,786.40, 394,088,679.60 and 165,979,904.80

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Solution

The fourth proportional to 262,725,786.40, 394,088,679.60 and 165,979,904.80 is: 248,969,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,725,786.40 : 394,088,679.60 = 165,979,904.80 : x
  2. Step 2: Convert to fraction form
    262,725,786.40/394,088,679.60 = 165,979,904.80/x
  3. Step 3: Cross multiply
    262,725,786.40x = 394,088,679.60 × 165,979,904.80
  4. Step 4: Simplify right side
    262,725,786.40x = 65,410,801,522,765,712
  5. Step 5: Solve for x
    x = 65,410,801,522,765,712/262,725,786.40
  6. Step 6: Final answer
    x = 248,969,857.20

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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.