Home / 368,431,515,455.28-508,461,801,262.30-203,629,489,256.27

Finding the Fourth Proportional to 368,431,515,455.28, 508,461,801,262.30 and 203,629,489,256.27

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Solution

The fourth proportional to 368,431,515,455.28, 508,461,801,262.30 and 203,629,489,256.27 is: 281,023,236,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,431,515,455.28 : 508,461,801,262.30 = 203,629,489,256.27 : x
  2. Step 2: Convert to fraction form
    368,431,515,455.28/508,461,801,262.30 = 203,629,489,256.27/x
  3. Step 3: Cross multiply
    368,431,515,455.28x = 508,461,801,262.30 × 203,629,489,256.27
  4. Step 4: Simplify right side
    368,431,515,455.28x = 103,537,816,897,365,202,698,240
  5. Step 5: Solve for x
    x = 103,537,816,897,365,202,698,240/368,431,515,455.28
  6. Step 6: Final answer
    x = 281,023,236,487.85

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1.5x scale

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.