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Finding the Fourth Proportional to 299,610,688.80, 449,751,956.40 and 231,754,202.40

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Solution

The fourth proportional to 299,610,688.80, 449,751,956.40 and 231,754,202.40 is: 347,891,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,688.80 : 449,751,956.40 = 231,754,202.40 : x
  2. Step 2: Convert to fraction form
    299,610,688.80/449,751,956.40 = 231,754,202.40/x
  3. Step 3: Cross multiply
    299,610,688.80x = 449,751,956.40 × 231,754,202.40
  4. Step 4: Simplify right side
    299,610,688.80x = 104,231,905,933,321,568
  5. Step 5: Solve for x
    x = 104,231,905,933,321,568/299,610,688.80
  6. Step 6: Final answer
    x = 347,891,146.18

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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.