Home / 416,394,945.88-574,631,309.58-228,221,734.20

Finding the Fourth Proportional to 416,394,945.88, 574,631,309.58 and 228,221,734.20

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Solution

The fourth proportional to 416,394,945.88, 574,631,309.58 and 228,221,734.20 is: 314,949,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,394,945.88 : 574,631,309.58 = 228,221,734.20 : x
  2. Step 2: Convert to fraction form
    416,394,945.88/574,631,309.58 = 228,221,734.20/x
  3. Step 3: Cross multiply
    416,394,945.88x = 574,631,309.58 × 228,221,734.20
  4. Step 4: Simplify right side
    416,394,945.88x = 131,143,353,997,964,672
  5. Step 5: Solve for x
    x = 131,143,353,997,964,672/416,394,945.88
  6. Step 6: Final answer
    x = 314,949,437.54

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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.