Home / 319,578,183.74-479,505,374.17-171,853,081.52

Finding the Fourth Proportional to 319,578,183.74, 479,505,374.17 and 171,853,081.52

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Solution

The fourth proportional to 319,578,183.74, 479,505,374.17 and 171,853,081.52 is: 257,853,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,578,183.74 : 479,505,374.17 = 171,853,081.52 : x
  2. Step 2: Convert to fraction form
    319,578,183.74/479,505,374.17 = 171,853,081.52/x
  3. Step 3: Cross multiply
    319,578,183.74x = 479,505,374.17 × 171,853,081.52
  4. Step 4: Simplify right side
    319,578,183.74x = 82,404,476,153,687,952
  5. Step 5: Solve for x
    x = 82,404,476,153,687,952/319,578,183.74
  6. Step 6: Final answer
    x = 257,853,884.73

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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.