Finding the Fourth Proportional to 7,082,770,812.22, 9,770,693,391.70 and 4,222,896,062.95
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Solution
The fourth proportional to 7,082,770,812.22, 9,770,693,391.70 and 4,222,896,062.95 is: 5,825,491,710.80
Step by Step Solution
- Step 1: Write the proportion equation
7,082,770,812.22 : 9,770,693,391.70 = 4,222,896,062.95 : x - Step 2: Convert to fraction form
7,082,770,812.22/9,770,693,391.70 = 4,222,896,062.95/x - Step 3: Cross multiply
7,082,770,812.22x = 9,770,693,391.70 × 4,222,896,062.95 - Step 4: Simplify right side
7,082,770,812.22x = 41,260,622,656,101,515,264 - Step 5: Solve for x
x = 41,260,622,656,101,515,264/7,082,770,812.22 - Step 6: Final answer
x = 5,825,491,710.80
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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.