Home / 416,985,480.26-575,438,383.61-228,816,922.43

Finding the Fourth Proportional to 416,985,480.26, 575,438,383.61 and 228,816,922.43

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Solution

The fourth proportional to 416,985,480.26, 575,438,383.61 and 228,816,922.43 is: 315,766,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,985,480.26 : 575,438,383.61 = 228,816,922.43 : x
  2. Step 2: Convert to fraction form
    416,985,480.26/575,438,383.61 = 228,816,922.43/x
  3. Step 3: Cross multiply
    416,985,480.26x = 575,438,383.61 × 228,816,922.43
  4. Step 4: Simplify right side
    416,985,480.26x = 131,670,039,981,712,688
  5. Step 5: Solve for x
    x = 131,670,039,981,712,688/416,985,480.26
  6. Step 6: Final answer
    x = 315,766,486.40

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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.