Home / 368,431,515,454.05-508,461,801,260.60-203,629,489,255.05

Finding the Fourth Proportional to 368,431,515,454.05, 508,461,801,260.60 and 203,629,489,255.05

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Solution

The fourth proportional to 368,431,515,454.05, 508,461,801,260.60 and 203,629,489,255.05 is: 281,023,236,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,431,515,454.05 : 508,461,801,260.60 = 203,629,489,255.05 : x
  2. Step 2: Convert to fraction form
    368,431,515,454.05/508,461,801,260.60 = 203,629,489,255.05/x
  3. Step 3: Cross multiply
    368,431,515,454.05x = 508,461,801,260.60 × 203,629,489,255.05
  4. Step 4: Simplify right side
    368,431,515,454.05x = 103,537,816,896,398,700,838,912
  5. Step 5: Solve for x
    x = 103,537,816,896,398,700,838,912/368,431,515,454.05
  6. Step 6: Final answer
    x = 281,023,236,486.16

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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.