Finding the Fourth Proportional to 307,260,884.22, 424,058,754.09 and 201,503,239.50
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Solution
The fourth proportional to 307,260,884.22, 424,058,754.09 and 201,503,239.50 is: 278,099,872.38
Step by Step Solution
- Step 1: Write the proportion equation
307,260,884.22 : 424,058,754.09 = 201,503,239.50 : x - Step 2: Convert to fraction form
307,260,884.22/424,058,754.09 = 201,503,239.50/x - Step 3: Cross multiply
307,260,884.22x = 424,058,754.09 × 201,503,239.50 - Step 4: Simplify right side
307,260,884.22x = 85,449,212,687,468,864 - Step 5: Solve for x
x = 85,449,212,687,468,864/307,260,884.22 - Step 6: Final answer
x = 278,099,872.38
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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.