Finding the Fourth Proportional to 403,291,211.80, 603,425,163.30 and 267,242,315.80
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Solution
The fourth proportional to 403,291,211.80, 603,425,163.30 and 267,242,315.80 is: 399,861,770.69
Step by Step Solution
- Step 1: Write the proportion equation
403,291,211.80 : 603,425,163.30 = 267,242,315.80 : x - Step 2: Convert to fraction form
403,291,211.80/603,425,163.30 = 267,242,315.80/x - Step 3: Cross multiply
403,291,211.80x = 603,425,163.30 × 267,242,315.80 - Step 4: Simplify right side
403,291,211.80x = 161,260,738,052,285,152 - Step 5: Solve for x
x = 161,260,738,052,285,152/403,291,211.80 - Step 6: Final answer
x = 399,861,770.69
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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.