Home / 523,786,636.02-722,843,007.52-285,644,813.82

Finding the Fourth Proportional to 523,786,636.02, 722,843,007.52 and 285,644,813.82

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Solution

The fourth proportional to 523,786,636.02, 722,843,007.52 and 285,644,813.82 is: 394,199,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,786,636.02 : 722,843,007.52 = 285,644,813.82 : x
  2. Step 2: Convert to fraction form
    523,786,636.02/722,843,007.52 = 285,644,813.82/x
  3. Step 3: Cross multiply
    523,786,636.02x = 722,843,007.52 × 285,644,813.82
  4. Step 4: Simplify right side
    523,786,636.02x = 206,476,356,307,217,056
  5. Step 5: Solve for x
    x = 206,476,356,307,217,056/523,786,636.02
  6. Step 6: Final answer
    x = 394,199,359.26

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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.