Home / 328,536,912.60-492,805,368.90-274,789,200.60

Finding the Fourth Proportional to 328,536,912.60, 492,805,368.90 and 274,789,200.60

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Solution

The fourth proportional to 328,536,912.60, 492,805,368.90 and 274,789,200.60 is: 412,183,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,536,912.60 : 492,805,368.90 = 274,789,200.60 : x
  2. Step 2: Convert to fraction form
    328,536,912.60/492,805,368.90 = 274,789,200.60/x
  3. Step 3: Cross multiply
    328,536,912.60x = 492,805,368.90 × 274,789,200.60
  4. Step 4: Simplify right side
    328,536,912.60x = 135,417,593,371,419,104
  5. Step 5: Solve for x
    x = 135,417,593,371,419,104/328,536,912.60
  6. Step 6: Final answer
    x = 412,183,800.90

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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.