Home / 609,015,162.51-913,719,480.66-281,705,383.95

Finding the Fourth Proportional to 609,015,162.51, 913,719,480.66 and 281,705,383.95

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Solution

The fourth proportional to 609,015,162.51, 913,719,480.66 and 281,705,383.95 is: 422,649,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,015,162.51 : 913,719,480.66 = 281,705,383.95 : x
  2. Step 2: Convert to fraction form
    609,015,162.51/913,719,480.66 = 281,705,383.95/x
  3. Step 3: Cross multiply
    609,015,162.51x = 913,719,480.66 × 281,705,383.95
  4. Step 4: Simplify right side
    609,015,162.51x = 257,399,697,121,919,872
  5. Step 5: Solve for x
    x = 257,399,697,121,919,872/609,015,162.51
  6. Step 6: Final answer
    x = 422,649,078.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.