Home / 428,070,311.60-590,744,769.72-242,469,736.88

Finding the Fourth Proportional to 428,070,311.60, 590,744,769.72 and 242,469,736.88

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Solution

The fourth proportional to 428,070,311.60, 590,744,769.72 and 242,469,736.88 is: 334,612,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,070,311.60 : 590,744,769.72 = 242,469,736.88 : x
  2. Step 2: Convert to fraction form
    428,070,311.60/590,744,769.72 = 242,469,736.88/x
  3. Step 3: Cross multiply
    428,070,311.60x = 590,744,769.72 × 242,469,736.88
  4. Step 4: Simplify right side
    428,070,311.60x = 143,237,728,877,244,592
  5. Step 5: Solve for x
    x = 143,237,728,877,244,592/428,070,311.60
  6. Step 6: Final answer
    x = 334,612,620.86

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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.