Finding the Fourth Proportional to 1,463,901,578.26, 2,020,219,276.56 and 794,874,821.38
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Solution
The fourth proportional to 1,463,901,578.26, 2,020,219,276.56 and 794,874,821.38 is: 1,096,946,311.45
Step by Step Solution
- Step 1: Write the proportion equation
1,463,901,578.26 : 2,020,219,276.56 = 794,874,821.38 : x - Step 2: Convert to fraction form
1,463,901,578.26/2,020,219,276.56 = 794,874,821.38/x - Step 3: Cross multiply
1,463,901,578.26x = 2,020,219,276.56 × 794,874,821.38 - Step 4: Simplify right side
1,463,901,578.26x = 1,605,821,436,604,062,720 - Step 5: Solve for x
x = 1,605,821,436,604,062,720/1,463,901,578.26 - Step 6: Final answer
x = 1,096,946,311.45
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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.