Home / 644,295,021.48-966,266,149.86-177,844,937.82

Finding the Fourth Proportional to 644,295,021.48, 966,266,149.86 and 177,844,937.82

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Solution

The fourth proportional to 644,295,021.48, 966,266,149.86 and 177,844,937.82 is: 266,718,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,295,021.48 : 966,266,149.86 = 177,844,937.82 : x
  2. Step 2: Convert to fraction form
    644,295,021.48/966,266,149.86 = 177,844,937.82/x
  3. Step 3: Cross multiply
    644,295,021.48x = 966,266,149.86 × 177,844,937.82
  4. Step 4: Simplify right side
    644,295,021.48x = 171,845,543,339,422,496
  5. Step 5: Solve for x
    x = 171,845,543,339,422,496/644,295,021.48
  6. Step 6: Final answer
    x = 266,718,719.86

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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.