Finding the Fourth Proportional to 352,266,782.65, 486,114,826.09 and 195,643,974.13
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Solution
The fourth proportional to 352,266,782.65, 486,114,826.09 and 195,643,974.13 is: 269,981,278.80
Step by Step Solution
- Step 1: Write the proportion equation
352,266,782.65 : 486,114,826.09 = 195,643,974.13 : x - Step 2: Convert to fraction form
352,266,782.65/486,114,826.09 = 195,643,974.13/x - Step 3: Cross multiply
352,266,782.65x = 486,114,826.09 × 195,643,974.13 - Step 4: Simplify right side
352,266,782.65x = 95,105,436,456,841,728 - Step 5: Solve for x
x = 95,105,436,456,841,728/352,266,782.65 - Step 6: Final answer
x = 269,981,278.80
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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.