Finding the Fourth Proportional to 1,755,625,982.26, 2,420,420,108.71 and 1,394,717,445.04
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Solution
The fourth proportional to 1,755,625,982.26, 2,420,420,108.71 and 1,394,717,445.04 is: 1,922,848,137.39
Step by Step Solution
- Step 1: Write the proportion equation
1,755,625,982.26 : 2,420,420,108.71 = 1,394,717,445.04 : x - Step 2: Convert to fraction form
1,755,625,982.26/2,420,420,108.71 = 1,394,717,445.04/x - Step 3: Cross multiply
1,755,625,982.26x = 2,420,420,108.71 × 1,394,717,445.04 - Step 4: Simplify right side
1,755,625,982.26x = 3,375,802,149,927,861,760 - Step 5: Solve for x
x = 3,375,802,149,927,861,760/1,755,625,982.26 - Step 6: Final answer
x = 1,922,848,137.39
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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.