Finding the Fourth Proportional to 21,517,147,694.04, 29,703,186,538.79 and 13,899,908,492.99
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Solution
The fourth proportional to 21,517,147,694.04, 29,703,186,538.79 and 13,899,908,492.99 is: 19,188,025,323.35
Step by Step Solution
- Step 1: Write the proportion equation
21,517,147,694.04 : 29,703,186,538.79 = 13,899,908,492.99 : x - Step 2: Convert to fraction form
21,517,147,694.04/29,703,186,538.79 = 13,899,908,492.99/x - Step 3: Cross multiply
21,517,147,694.04x = 29,703,186,538.79 × 13,899,908,492.99 - Step 4: Simplify right side
21,517,147,694.04x = 412,871,574,839,412,981,760 - Step 5: Solve for x
x = 412,871,574,839,412,981,760/21,517,147,694.04 - Step 6: Final answer
x = 19,188,025,323.35
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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.