Home / 397,235,202.56-548,175,972.48-229,978,511.36

Finding the Fourth Proportional to 397,235,202.56, 548,175,972.48 and 229,978,511.36

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Solution

The fourth proportional to 397,235,202.56, 548,175,972.48 and 229,978,511.36 is: 317,365,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,235,202.56 : 548,175,972.48 = 229,978,511.36 : x
  2. Step 2: Convert to fraction form
    397,235,202.56/548,175,972.48 = 229,978,511.36/x
  3. Step 3: Cross multiply
    397,235,202.56x = 548,175,972.48 × 229,978,511.36
  4. Step 4: Simplify right side
    397,235,202.56x = 126,068,694,114,270,736
  5. Step 5: Solve for x
    x = 126,068,694,114,270,736/397,235,202.56
  6. Step 6: Final answer
    x = 317,365,362.64

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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.