Home / 308,611,576.40-463,448,206.20-218,368,504.40

Finding the Fourth Proportional to 308,611,576.40, 463,448,206.20 and 218,368,504.40

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Solution

The fourth proportional to 308,611,576.40, 463,448,206.20 and 218,368,504.40 is: 327,928,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,611,576.40 : 463,448,206.20 = 218,368,504.40 : x
  2. Step 2: Convert to fraction form
    308,611,576.40/463,448,206.20 = 218,368,504.40/x
  3. Step 3: Cross multiply
    308,611,576.40x = 463,448,206.20 × 218,368,504.40
  4. Step 4: Simplify right side
    308,611,576.40x = 101,202,491,654,756,800
  5. Step 5: Solve for x
    x = 101,202,491,654,756,800/308,611,576.40
  6. Step 6: Final answer
    x = 327,928,371.43

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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.