Home / 388,469,824.20-582,611,424.30-224,352,678.60

Finding the Fourth Proportional to 388,469,824.20, 582,611,424.30 and 224,352,678.60

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Solution

The fourth proportional to 388,469,824.20, 582,611,424.30 and 224,352,678.60 is: 336,475,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,469,824.20 : 582,611,424.30 = 224,352,678.60 : x
  2. Step 2: Convert to fraction form
    388,469,824.20/582,611,424.30 = 224,352,678.60/x
  3. Step 3: Cross multiply
    388,469,824.20x = 582,611,424.30 × 224,352,678.60
  4. Step 4: Simplify right side
    388,469,824.20x = 130,710,433,624,666,112
  5. Step 5: Solve for x
    x = 130,710,433,624,666,112/388,469,824.20
  6. Step 6: Final answer
    x = 336,475,127.49

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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.