Home / 344,353,819.34-475,204,343.54-187,717,470.86

Finding the Fourth Proportional to 344,353,819.34, 475,204,343.54 and 187,717,470.86

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Solution

The fourth proportional to 344,353,819.34, 475,204,343.54 and 187,717,470.86 is: 259,047,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,353,819.34 : 475,204,343.54 = 187,717,470.86 : x
  2. Step 2: Convert to fraction form
    344,353,819.34/475,204,343.54 = 187,717,470.86/x
  3. Step 3: Cross multiply
    344,353,819.34x = 475,204,343.54 × 187,717,470.86
  4. Step 4: Simplify right side
    344,353,819.34x = 89,204,157,511,015,392
  5. Step 5: Solve for x
    x = 89,204,157,511,015,392/344,353,819.34
  6. Step 6: Final answer
    x = 259,047,968.98

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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.