Home / 388,439,857.20-582,491,824.20-194,276,247.60

Finding the Fourth Proportional to 388,439,857.20, 582,491,824.20 and 194,276,247.60

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Solution

The fourth proportional to 388,439,857.20, 582,491,824.20 and 194,276,247.60 is: 291,330,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,439,857.20 : 582,491,824.20 = 194,276,247.60 : x
  2. Step 2: Convert to fraction form
    388,439,857.20/582,491,824.20 = 194,276,247.60/x
  3. Step 3: Cross multiply
    388,439,857.20x = 582,491,824.20 × 194,276,247.60
  4. Step 4: Simplify right side
    388,439,857.20x = 113,164,325,863,254,880
  5. Step 5: Solve for x
    x = 113,164,325,863,254,880/388,439,857.20
  6. Step 6: Final answer
    x = 291,330,366.25

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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.