Home / 464,863,729.27-641,540,936.49-256,019,816.56

Finding the Fourth Proportional to 464,863,729.27, 641,540,936.49 and 256,019,816.56

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Solution

The fourth proportional to 464,863,729.27, 641,540,936.49 and 256,019,816.56 is: 353,323,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,863,729.27 : 641,540,936.49 = 256,019,816.56 : x
  2. Step 2: Convert to fraction form
    464,863,729.27/641,540,936.49 = 256,019,816.56/x
  3. Step 3: Cross multiply
    464,863,729.27x = 641,540,936.49 × 256,019,816.56
  4. Step 4: Simplify right side
    464,863,729.27x = 164,247,192,874,296,576
  5. Step 5: Solve for x
    x = 164,247,192,874,296,576/464,863,729.27
  6. Step 6: Final answer
    x = 353,323,312.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.