Home / 262,008,100.20-393,012,150.30-256,906,266.60

Finding the Fourth Proportional to 262,008,100.20, 393,012,150.30 and 256,906,266.60

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Solution

The fourth proportional to 262,008,100.20, 393,012,150.30 and 256,906,266.60 is: 385,359,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,008,100.20 : 393,012,150.30 = 256,906,266.60 : x
  2. Step 2: Convert to fraction form
    262,008,100.20/393,012,150.30 = 256,906,266.60/x
  3. Step 3: Cross multiply
    262,008,100.20x = 393,012,150.30 × 256,906,266.60
  4. Step 4: Simplify right side
    262,008,100.20x = 100,967,284,262,011,072
  5. Step 5: Solve for x
    x = 100,967,284,262,011,072/262,008,100.20
  6. Step 6: Final answer
    x = 385,359,399.90

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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.