Home / 365,385,393.07-504,231,297.22-198,121,350.49

Finding the Fourth Proportional to 365,385,393.07, 504,231,297.22 and 198,121,350.49

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Solution

The fourth proportional to 365,385,393.07, 504,231,297.22 and 198,121,350.49 is: 273,407,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,385,393.07 : 504,231,297.22 = 198,121,350.49 : x
  2. Step 2: Convert to fraction form
    365,385,393.07/504,231,297.22 = 198,121,350.49/x
  3. Step 3: Cross multiply
    365,385,393.07x = 504,231,297.22 × 198,121,350.49
  4. Step 4: Simplify right side
    365,385,393.07x = 99,898,985,564,550,992
  5. Step 5: Solve for x
    x = 99,898,985,564,550,992/365,385,393.07
  6. Step 6: Final answer
    x = 273,407,168.05

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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.