Finding the Fourth Proportional to 11,382,239,288, 15,707,490,217.44 and 6,172,913,720
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Solution
The fourth proportional to 11,382,239,288, 15,707,490,217.44 and 6,172,913,720 is: 8,518,620,933.60
Step by Step Solution
- Step 1: Write the proportion equation
11,382,239,288 : 15,707,490,217.44 = 6,172,913,720 : x - Step 2: Convert to fraction form
11,382,239,288/15,707,490,217.44 = 6,172,913,720/x - Step 3: Cross multiply
11,382,239,288x = 15,707,490,217.44 × 6,172,913,720 - Step 4: Simplify right side
11,382,239,288x = 96,960,981,870,001,160,192 - Step 5: Solve for x
x = 96,960,981,870,001,160,192/11,382,239,288 - Step 6: Final answer
x = 8,518,620,933.60
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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.