Finding the Fourth Proportional to 18,509,839,614.09, 27,756,006,832.89 and 7,170,327,549.99
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Solution
The fourth proportional to 18,509,839,614.09, 27,756,006,832.89 and 7,170,327,549.99 is: 10,752,100,754.03
Step by Step Solution
- Step 1: Write the proportion equation
18,509,839,614.09 : 27,756,006,832.89 = 7,170,327,549.99 : x - Step 2: Convert to fraction form
18,509,839,614.09/27,756,006,832.89 = 7,170,327,549.99/x - Step 3: Cross multiply
18,509,839,614.09x = 27,756,006,832.89 × 7,170,327,549.99 - Step 4: Simplify right side
18,509,839,614.09x = 199,019,660,471,581,835,264 - Step 5: Solve for x
x = 199,019,660,471,581,835,264/18,509,839,614.09 - Step 6: Final answer
x = 10,752,100,754.03
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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.