Home / 685,073,131.56-1,027,379,383.92-248,282,385.84

Finding the Fourth Proportional to 685,073,131.56, 1,027,379,383.92 and 248,282,385.84

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Solution

The fourth proportional to 685,073,131.56, 1,027,379,383.92 and 248,282,385.84 is: 372,340,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,073,131.56 : 1,027,379,383.92 = 248,282,385.84 : x
  2. Step 2: Convert to fraction form
    685,073,131.56/1,027,379,383.92 = 248,282,385.84/x
  3. Step 3: Cross multiply
    685,073,131.56x = 1,027,379,383.92 × 248,282,385.84
  4. Step 4: Simplify right side
    685,073,131.56x = 255,080,204,602,486,912
  5. Step 5: Solve for x
    x = 255,080,204,602,486,912/685,073,131.56
  6. Step 6: Final answer
    x = 372,340,109.18

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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.