Finding the Fourth Proportional to 1,775,193,348.20, 2,662,790,022.30 and 740,796,585.80
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Solution
The fourth proportional to 1,775,193,348.20, 2,662,790,022.30 and 740,796,585.80 is: 1,111,194,878.70
Step by Step Solution
- Step 1: Write the proportion equation
1,775,193,348.20 : 2,662,790,022.30 = 740,796,585.80 : x - Step 2: Convert to fraction form
1,775,193,348.20/2,662,790,022.30 = 740,796,585.80/x - Step 3: Cross multiply
1,775,193,348.20x = 2,662,790,022.30 × 740,796,585.80 - Step 4: Simplify right side
1,775,193,348.20x = 1,972,585,757,222,145,792 - Step 5: Solve for x
x = 1,972,585,757,222,145,792/1,775,193,348.20 - Step 6: Final answer
x = 1,111,194,878.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.