Finding the Fourth Proportional to 5,043,981,103.76, 6,961,124,180.22 and 2,816,743,569.68
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Solution
The fourth proportional to 5,043,981,103.76, 6,961,124,180.22 and 2,816,743,569.68 is: 3,887,346,397.42
Step by Step Solution
- Step 1: Write the proportion equation
5,043,981,103.76 : 6,961,124,180.22 = 2,816,743,569.68 : x - Step 2: Convert to fraction form
5,043,981,103.76/6,961,124,180.22 = 2,816,743,569.68/x - Step 3: Cross multiply
5,043,981,103.76x = 6,961,124,180.22 × 2,816,743,569.68 - Step 4: Simplify right side
5,043,981,103.76x = 19,607,701,772,378,644,480 - Step 5: Solve for x
x = 19,607,701,772,378,644,480/5,043,981,103.76 - Step 6: Final answer
x = 3,887,346,397.42
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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.