Home / 474,694,906.20-712,042,359.30-291,028,896.60

Finding the Fourth Proportional to 474,694,906.20, 712,042,359.30 and 291,028,896.60

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Solution

The fourth proportional to 474,694,906.20, 712,042,359.30 and 291,028,896.60 is: 436,543,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,694,906.20 : 712,042,359.30 = 291,028,896.60 : x
  2. Step 2: Convert to fraction form
    474,694,906.20/712,042,359.30 = 291,028,896.60/x
  3. Step 3: Cross multiply
    474,694,906.20x = 712,042,359.30 × 291,028,896.60
  4. Step 4: Simplify right side
    474,694,906.20x = 207,224,902,159,539,744
  5. Step 5: Solve for x
    x = 207,224,902,159,539,744/474,694,906.20
  6. Step 6: Final answer
    x = 436,543,344.90

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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.