Home / 281,232,004.80-421,848,007.20-252,605,049.60

Finding the Fourth Proportional to 281,232,004.80, 421,848,007.20 and 252,605,049.60

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Solution

The fourth proportional to 281,232,004.80, 421,848,007.20 and 252,605,049.60 is: 378,907,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,232,004.80 : 421,848,007.20 = 252,605,049.60 : x
  2. Step 2: Convert to fraction form
    281,232,004.80/421,848,007.20 = 252,605,049.60/x
  3. Step 3: Cross multiply
    281,232,004.80x = 421,848,007.20 × 252,605,049.60
  4. Step 4: Simplify right side
    281,232,004.80x = 106,560,936,782,417,152
  5. Step 5: Solve for x
    x = 106,560,936,782,417,152/281,232,004.80
  6. Step 6: Final answer
    x = 378,907,574.40

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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.