Home / 387,462,458.97-534,682,792.07-228,743,708.01

Finding the Fourth Proportional to 387,462,458.97, 534,682,792.07 and 228,743,708.01

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Solution

The fourth proportional to 387,462,458.97, 534,682,792.07 and 228,743,708.01 is: 315,657,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,462,458.97 : 534,682,792.07 = 228,743,708.01 : x
  2. Step 2: Convert to fraction form
    387,462,458.97/534,682,792.07 = 228,743,708.01/x
  3. Step 3: Cross multiply
    387,462,458.97x = 534,682,792.07 × 228,743,708.01
  4. Step 4: Simplify right side
    387,462,458.97x = 122,305,324,466,087,904
  5. Step 5: Solve for x
    x = 122,305,324,466,087,904/387,462,458.97
  6. Step 6: Final answer
    x = 315,657,224.68

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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.