Home / 263,279,801.60-394,919,702.40-127,230,905.60

Finding the Fourth Proportional to 263,279,801.60, 394,919,702.40 and 127,230,905.60

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Solution

The fourth proportional to 263,279,801.60, 394,919,702.40 and 127,230,905.60 is: 190,846,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,279,801.60 : 394,919,702.40 = 127,230,905.60 : x
  2. Step 2: Convert to fraction form
    263,279,801.60/394,919,702.40 = 127,230,905.60/x
  3. Step 3: Cross multiply
    263,279,801.60x = 394,919,702.40 × 127,230,905.60
  4. Step 4: Simplify right side
    263,279,801.60x = 50,245,991,375,634,488
  5. Step 5: Solve for x
    x = 50,245,991,375,634,488/263,279,801.60
  6. Step 6: Final answer
    x = 190,846,358.40

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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.