Home / 523,347,796.10-722,210,605.38-285,195,049.54

Finding the Fourth Proportional to 523,347,796.10, 722,210,605.38 and 285,195,049.54

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Solution

The fourth proportional to 523,347,796.10, 722,210,605.38 and 285,195,049.54 is: 393,564,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,347,796.10 : 722,210,605.38 = 285,195,049.54 : x
  2. Step 2: Convert to fraction form
    523,347,796.10/722,210,605.38 = 285,195,049.54/x
  3. Step 3: Cross multiply
    523,347,796.10x = 722,210,605.38 × 285,195,049.54
  4. Step 4: Simplify right side
    523,347,796.10x = 205,970,889,377,856,992
  5. Step 5: Solve for x
    x = 205,970,889,377,856,992/523,347,796.10
  6. Step 6: Final answer
    x = 393,564,071.37

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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.