Home / 281,232,452.80-421,848,679.20-252,605,497.60

Finding the Fourth Proportional to 281,232,452.80, 421,848,679.20 and 252,605,497.60

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Solution

The fourth proportional to 281,232,452.80, 421,848,679.20 and 252,605,497.60 is: 378,908,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,232,452.80 : 421,848,679.20 = 252,605,497.60 : x
  2. Step 2: Convert to fraction form
    281,232,452.80/421,848,679.20 = 252,605,497.60/x
  3. Step 3: Cross multiply
    281,232,452.80x = 421,848,679.20 × 252,605,497.60
  4. Step 4: Simplify right side
    281,232,452.80x = 106,561,295,521,218,768
  5. Step 5: Solve for x
    x = 106,561,295,521,218,768/281,232,452.80
  6. Step 6: Final answer
    x = 378,908,246.40

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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.