Home / 398,894,743.72-598,531,606.62-276,261,780.52

Finding the Fourth Proportional to 398,894,743.72, 598,531,606.62 and 276,261,780.52

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Solution

The fourth proportional to 398,894,743.72, 598,531,606.62 and 276,261,780.52 is: 414,523,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,894,743.72 : 598,531,606.62 = 276,261,780.52 : x
  2. Step 2: Convert to fraction form
    398,894,743.72/598,531,606.62 = 276,261,780.52/x
  3. Step 3: Cross multiply
    398,894,743.72x = 598,531,606.62 × 276,261,780.52
  4. Step 4: Simplify right side
    398,894,743.72x = 165,351,407,342,337,408
  5. Step 5: Solve for x
    x = 165,351,407,342,337,408/398,894,743.72
  6. Step 6: Final answer
    x = 414,523,906.23

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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.