Finding the Fourth Proportional to 703,937,198.26, 970,991,463.75 and 417,626,020.90
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Solution
The fourth proportional to 703,937,198.26, 970,991,463.75 and 417,626,020.90 is: 576,061,759.96
Step by Step Solution
- Step 1: Write the proportion equation
703,937,198.26 : 970,991,463.75 = 417,626,020.90 : x - Step 2: Convert to fraction form
703,937,198.26/970,991,463.75 = 417,626,020.90/x - Step 3: Cross multiply
703,937,198.26x = 970,991,463.75 × 417,626,020.90 - Step 4: Simplify right side
703,937,198.26x = 405,511,301,330,638,144 - Step 5: Solve for x
x = 405,511,301,330,638,144/703,937,198.26 - Step 6: Final answer
x = 576,061,759.96
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1.5x scale
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.