Finding the Fourth Proportional to 436,882,922.10, 655,324,383.15 and 265,450,115.70
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Solution
The fourth proportional to 436,882,922.10, 655,324,383.15 and 265,450,115.70 is: 398,175,173.55
Step by Step Solution
- Step 1: Write the proportion equation
436,882,922.10 : 655,324,383.15 = 265,450,115.70 : x - Step 2: Convert to fraction form
436,882,922.10/655,324,383.15 = 265,450,115.70/x - Step 3: Cross multiply
436,882,922.10x = 655,324,383.15 × 265,450,115.70 - Step 4: Simplify right side
436,882,922.10x = 173,955,933,328,198,624 - Step 5: Solve for x
x = 173,955,933,328,198,624/436,882,922.10 - Step 6: Final answer
x = 398,175,173.55
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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.