Home / 263,279,801.10-394,919,701.65-127,230,905.10

Finding the Fourth Proportional to 263,279,801.10, 394,919,701.65 and 127,230,905.10

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Solution

The fourth proportional to 263,279,801.10, 394,919,701.65 and 127,230,905.10 is: 190,846,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,279,801.10 : 394,919,701.65 = 127,230,905.10 : x
  2. Step 2: Convert to fraction form
    263,279,801.10/394,919,701.65 = 127,230,905.10/x
  3. Step 3: Cross multiply
    263,279,801.10x = 394,919,701.65 × 127,230,905.10
  4. Step 4: Simplify right side
    263,279,801.10x = 50,245,991,082,751,456
  5. Step 5: Solve for x
    x = 50,245,991,082,751,456/263,279,801.10
  6. Step 6: Final answer
    x = 190,846,357.65

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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.