Home / 394,237,432.56-543,883,261.32-226,933,662.72

Finding the Fourth Proportional to 394,237,432.56, 543,883,261.32 and 226,933,662.72

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Solution

The fourth proportional to 394,237,432.56, 543,883,261.32 and 226,933,662.72 is: 313,073,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,237,432.56 : 543,883,261.32 = 226,933,662.72 : x
  2. Step 2: Convert to fraction form
    394,237,432.56/543,883,261.32 = 226,933,662.72/x
  3. Step 3: Cross multiply
    394,237,432.56x = 543,883,261.32 × 226,933,662.72
  4. Step 4: Simplify right side
    394,237,432.56x = 123,425,420,583,446,512
  5. Step 5: Solve for x
    x = 123,425,420,583,446,512/394,237,432.56
  6. Step 6: Final answer
    x = 313,073,824.02

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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.