Home / 397,792,477.15-548,959,305.72-228,274,339.84

Finding the Fourth Proportional to 397,792,477.15, 548,959,305.72 and 228,274,339.84

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Solution

The fourth proportional to 397,792,477.15, 548,959,305.72 and 228,274,339.84 is: 315,021,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,792,477.15 : 548,959,305.72 = 228,274,339.84 : x
  2. Step 2: Convert to fraction form
    397,792,477.15/548,959,305.72 = 228,274,339.84/x
  3. Step 3: Cross multiply
    397,792,477.15x = 548,959,305.72 × 228,274,339.84
  4. Step 4: Simplify right side
    397,792,477.15x = 125,313,323,112,257,744
  5. Step 5: Solve for x
    x = 125,313,323,112,257,744/397,792,477.15
  6. Step 6: Final answer
    x = 315,021,852.63

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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.