Home / 609,015,161.51-913,719,479.16-281,705,382.95

Finding the Fourth Proportional to 609,015,161.51, 913,719,479.16 and 281,705,382.95

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Solution

The fourth proportional to 609,015,161.51, 913,719,479.16 and 281,705,382.95 is: 422,649,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,015,161.51 : 913,719,479.16 = 281,705,382.95 : x
  2. Step 2: Convert to fraction form
    609,015,161.51/913,719,479.16 = 281,705,382.95/x
  3. Step 3: Cross multiply
    609,015,161.51x = 913,719,479.16 × 281,705,382.95
  4. Step 4: Simplify right side
    609,015,161.51x = 257,399,695,781,073,728
  5. Step 5: Solve for x
    x = 257,399,695,781,073,728/609,015,161.51
  6. Step 6: Final answer
    x = 422,649,076.82

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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.