Home / 368,431,515,454.76-508,461,801,261.58-203,629,489,255.77

Finding the Fourth Proportional to 368,431,515,454.76, 508,461,801,261.58 and 203,629,489,255.77

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Solution

The fourth proportional to 368,431,515,454.76, 508,461,801,261.58 and 203,629,489,255.77 is: 281,023,236,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,431,515,454.76 : 508,461,801,261.58 = 203,629,489,255.77 : x
  2. Step 2: Convert to fraction form
    368,431,515,454.76/508,461,801,261.58 = 203,629,489,255.77/x
  3. Step 3: Cross multiply
    368,431,515,454.76x = 508,461,801,261.58 × 203,629,489,255.77
  4. Step 4: Simplify right side
    368,431,515,454.76x = 103,537,816,896,964,361,453,568
  5. Step 5: Solve for x
    x = 103,537,816,896,964,361,453,568/368,431,515,454.76
  6. Step 6: Final answer
    x = 281,023,236,487.16

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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.