Home / 406,273,236.76-609,328,377.24-198,922,308.76

Finding the Fourth Proportional to 406,273,236.76, 609,328,377.24 and 198,922,308.76

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Solution

The fourth proportional to 406,273,236.76, 609,328,377.24 and 198,922,308.76 is: 298,343,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,273,236.76 : 609,328,377.24 = 198,922,308.76 : x
  2. Step 2: Convert to fraction form
    406,273,236.76/609,328,377.24 = 198,922,308.76/x
  3. Step 3: Cross multiply
    406,273,236.76x = 609,328,377.24 × 198,922,308.76
  4. Step 4: Simplify right side
    406,273,236.76x = 121,209,007,593,565,040
  5. Step 5: Solve for x
    x = 121,209,007,593,565,040/406,273,236.76
  6. Step 6: Final answer
    x = 298,343,569.37

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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.