Finding the Fourth Proportional to 5,393,358,898.09, 7,442,535,056.17 and 2,981,901,974.95
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Solution
The fourth proportional to 5,393,358,898.09, 7,442,535,056.17 and 2,981,901,974.95 is: 4,114,858,736.82
Step by Step Solution
- Step 1: Write the proportion equation
5,393,358,898.09 : 7,442,535,056.17 = 2,981,901,974.95 : x - Step 2: Convert to fraction form
5,393,358,898.09/7,442,535,056.17 = 2,981,901,974.95/x - Step 3: Cross multiply
5,393,358,898.09x = 7,442,535,056.17 × 2,981,901,974.95 - Step 4: Simplify right side
5,393,358,898.09x = 22,192,909,982,627,930,112 - Step 5: Solve for x
x = 22,192,909,982,627,930,112/5,393,358,898.09 - Step 6: Final answer
x = 4,114,858,736.82
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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.