Finding the Fourth Proportional to 417,193,846.80, 625,790,770.20 and 202,202,998.80
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Solution
The fourth proportional to 417,193,846.80, 625,790,770.20 and 202,202,998.80 is: 303,304,498.20
Step by Step Solution
- Step 1: Write the proportion equation
417,193,846.80 : 625,790,770.20 = 202,202,998.80 : x - Step 2: Convert to fraction form
417,193,846.80/625,790,770.20 = 202,202,998.80/x - Step 3: Cross multiply
417,193,846.80x = 625,790,770.20 × 202,202,998.80 - Step 4: Simplify right side
417,193,846.80x = 126,536,770,355,801,696 - Step 5: Solve for x
x = 126,536,770,355,801,696/417,193,846.80 - Step 6: Final answer
x = 303,304,498.20
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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.