Finding the Fourth Proportional to 5,016,510,703.26, 6,922,392,616.71 and 2,788,707,231.90
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Solution
The fourth proportional to 5,016,510,703.26, 6,922,392,616.71 and 2,788,707,231.90 is: 3,848,197,979.47
Step by Step Solution
- Step 1: Write the proportion equation
5,016,510,703.26 : 6,922,392,616.71 = 2,788,707,231.90 : x - Step 2: Convert to fraction form
5,016,510,703.26/6,922,392,616.71 = 2,788,707,231.90/x - Step 3: Cross multiply
5,016,510,703.26x = 6,922,392,616.71 × 2,788,707,231.90 - Step 4: Simplify right side
5,016,510,703.26x = 19,304,526,352,270,344,192 - Step 5: Solve for x
x = 19,304,526,352,270,344,192/5,016,510,703.26 - Step 6: Final answer
x = 3,848,197,979.47
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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.