Finding the Fourth Proportional to 18,627,439,907.80, 27,941,159,861.70 and 14,954,119,715.80
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Solution
The fourth proportional to 18,627,439,907.80, 27,941,159,861.70 and 14,954,119,715.80 is: 22,431,179,573.70
Step by Step Solution
- Step 1: Write the proportion equation
18,627,439,907.80 : 27,941,159,861.70 = 14,954,119,715.80 : x - Step 2: Convert to fraction form
18,627,439,907.80/27,941,159,861.70 = 14,954,119,715.80/x - Step 3: Cross multiply
18,627,439,907.80x = 27,941,159,861.70 × 14,954,119,715.80 - Step 4: Simplify right side
18,627,439,907.80x = 417,835,449,570,167,554,048 - Step 5: Solve for x
x = 417,835,449,570,167,554,048/18,627,439,907.80 - Step 6: Final answer
x = 22,431,179,573.70
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1.5x scale
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.