Home / 428,070,310.60-590,744,768.34-242,469,735.88

Finding the Fourth Proportional to 428,070,310.60, 590,744,768.34 and 242,469,735.88

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Solution

The fourth proportional to 428,070,310.60, 590,744,768.34 and 242,469,735.88 is: 334,612,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,070,310.60 : 590,744,768.34 = 242,469,735.88 : x
  2. Step 2: Convert to fraction form
    428,070,310.60/590,744,768.34 = 242,469,735.88/x
  3. Step 3: Cross multiply
    428,070,310.60x = 590,744,768.34 × 242,469,735.88
  4. Step 4: Simplify right side
    428,070,310.60x = 143,237,727,951,891,584
  5. Step 5: Solve for x
    x = 143,237,727,951,891,584/428,070,310.60
  6. Step 6: Final answer
    x = 334,612,619.48

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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.