Home / 419,648,223.02-579,115,105.62-231,472,296.86

Finding the Fourth Proportional to 419,648,223.02, 579,115,105.62 and 231,472,296.86

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Solution

The fourth proportional to 419,648,223.02, 579,115,105.62 and 231,472,296.86 is: 319,432,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,648,223.02 : 579,115,105.62 = 231,472,296.86 : x
  2. Step 2: Convert to fraction form
    419,648,223.02/579,115,105.62 = 231,472,296.86/x
  3. Step 3: Cross multiply
    419,648,223.02x = 579,115,105.62 × 231,472,296.86
  4. Step 4: Simplify right side
    419,648,223.02x = 134,049,103,644,182,896
  5. Step 5: Solve for x
    x = 134,049,103,644,182,896/419,648,223.02
  6. Step 6: Final answer
    x = 319,432,077.37

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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.