Finding the Fourth Proportional to 336,994,276.80, 505,491,415.20 and 279,551,409.60
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Solution
The fourth proportional to 336,994,276.80, 505,491,415.20 and 279,551,409.60 is: 419,327,114.40
Step by Step Solution
- Step 1: Write the proportion equation
336,994,276.80 : 505,491,415.20 = 279,551,409.60 : x - Step 2: Convert to fraction form
336,994,276.80/505,491,415.20 = 279,551,409.60/x - Step 3: Cross multiply
336,994,276.80x = 505,491,415.20 × 279,551,409.60 - Step 4: Simplify right side
336,994,276.80x = 141,310,837,659,858,880 - Step 5: Solve for x
x = 141,310,837,659,858,880/336,994,276.80 - Step 6: Final answer
x = 419,327,114.40
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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.