Home / 322,691,553.65-484,270,497.48-128,491,049.36

Finding the Fourth Proportional to 322,691,553.65, 484,270,497.48 and 128,491,049.36

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Solution

The fourth proportional to 322,691,553.65, 484,270,497.48 and 128,491,049.36 is: 192,829,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,691,553.65 : 484,270,497.48 = 128,491,049.36 : x
  2. Step 2: Convert to fraction form
    322,691,553.65/484,270,497.48 = 128,491,049.36/x
  3. Step 3: Cross multiply
    322,691,553.65x = 484,270,497.48 × 128,491,049.36
  4. Step 4: Simplify right side
    322,691,553.65x = 62,224,424,395,294,440
  5. Step 5: Solve for x
    x = 62,224,424,395,294,440/322,691,553.65
  6. Step 6: Final answer
    x = 192,829,417.73

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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.