Finding the Fourth Proportional to 331,777,137.70, 497,665,706.55 and 324,699,249.70
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Solution
The fourth proportional to 331,777,137.70, 497,665,706.55 and 324,699,249.70 is: 487,048,874.55
Step by Step Solution
- Step 1: Write the proportion equation
331,777,137.70 : 497,665,706.55 = 324,699,249.70 : x - Step 2: Convert to fraction form
331,777,137.70/497,665,706.55 = 324,699,249.70/x - Step 3: Cross multiply
331,777,137.70x = 497,665,706.55 × 324,699,249.70 - Step 4: Simplify right side
331,777,137.70x = 161,591,681,518,205,376 - Step 5: Solve for x
x = 161,591,681,518,205,376/331,777,137.70 - Step 6: Final answer
x = 487,048,874.55
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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.