Finding the Fourth Proportional to 331,777,135.70, 497,665,703.55 and 324,699,247.70
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Solution
The fourth proportional to 331,777,135.70, 497,665,703.55 and 324,699,247.70 is: 487,048,871.55
Step by Step Solution
- Step 1: Write the proportion equation
331,777,135.70 : 497,665,703.55 = 324,699,247.70 : x - Step 2: Convert to fraction form
331,777,135.70/497,665,703.55 = 324,699,247.70/x - Step 3: Cross multiply
331,777,135.70x = 497,665,703.55 × 324,699,247.70 - Step 4: Simplify right side
331,777,135.70x = 161,591,679,548,776,224 - Step 5: Solve for x
x = 161,591,679,548,776,224/331,777,135.70 - Step 6: Final answer
x = 487,048,871.55
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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.