Home / 389,022,028.58-582,597,903.18-222,520,899.80

Finding the Fourth Proportional to 389,022,028.58, 582,597,903.18 and 222,520,899.80

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Solution

The fourth proportional to 389,022,028.58, 582,597,903.18 and 222,520,899.80 is: 333,246,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,022,028.58 : 582,597,903.18 = 222,520,899.80 : x
  2. Step 2: Convert to fraction form
    389,022,028.58/582,597,903.18 = 222,520,899.80/x
  3. Step 3: Cross multiply
    389,022,028.58x = 582,597,903.18 × 222,520,899.80
  4. Step 4: Simplify right side
    389,022,028.58x = 129,640,209,637,206,880
  5. Step 5: Solve for x
    x = 129,640,209,637,206,880/389,022,028.58
  6. Step 6: Final answer
    x = 333,246,449.08

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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.