Finding the Fourth Proportional to 5,043,981,101.76, 6,961,124,177.46 and 2,816,743,567.68
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Solution
The fourth proportional to 5,043,981,101.76, 6,961,124,177.46 and 2,816,743,567.68 is: 3,887,346,394.66
Step by Step Solution
- Step 1: Write the proportion equation
5,043,981,101.76 : 6,961,124,177.46 = 2,816,743,567.68 : x - Step 2: Convert to fraction form
5,043,981,101.76/6,961,124,177.46 = 2,816,743,567.68/x - Step 3: Cross multiply
5,043,981,101.76x = 6,961,124,177.46 × 2,816,743,567.68 - Step 4: Simplify right side
5,043,981,101.76x = 19,607,701,750,682,185,728 - Step 5: Solve for x
x = 19,607,701,750,682,185,728/5,043,981,101.76 - Step 6: Final answer
x = 3,887,346,394.66
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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.