Finding the Fourth Proportional to 361,505,279.38, 498,842,426.29 and 202,741,847.68
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Solution
The fourth proportional to 361,505,279.38, 498,842,426.29 and 202,741,847.68 is: 279,764,199.79
Step by Step Solution
- Step 1: Write the proportion equation
361,505,279.38 : 498,842,426.29 = 202,741,847.68 : x - Step 2: Convert to fraction form
361,505,279.38/498,842,426.29 = 202,741,847.68/x - Step 3: Cross multiply
361,505,279.38x = 498,842,426.29 × 202,741,847.68 - Step 4: Simplify right side
361,505,279.38x = 101,136,235,204,207,744 - Step 5: Solve for x
x = 101,136,235,204,207,744/361,505,279.38 - Step 6: Final answer
x = 279,764,199.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.