Home / 285,052,233.60-427,880,711.52-252,474,288

Finding the Fourth Proportional to 285,052,233.60, 427,880,711.52 and 252,474,288

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Solution

The fourth proportional to 285,052,233.60, 427,880,711.52 and 252,474,288 is: 378,979,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,052,233.60 : 427,880,711.52 = 252,474,288 : x
  2. Step 2: Convert to fraction form
    285,052,233.60/427,880,711.52 = 252,474,288/x
  3. Step 3: Cross multiply
    285,052,233.60x = 427,880,711.52 × 252,474,288
  4. Step 4: Simplify right side
    285,052,233.60x = 108,028,877,989,945,392
  5. Step 5: Solve for x
    x = 108,028,877,989,945,392/285,052,233.60
  6. Step 6: Final answer
    x = 378,979,236.98

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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.