Finding the Fourth Proportional to 1,755,625,981.38, 2,420,420,107.50 and 1,394,717,444.16
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Solution
The fourth proportional to 1,755,625,981.38, 2,420,420,107.50 and 1,394,717,444.16 is: 1,922,848,136.18
Step by Step Solution
- Step 1: Write the proportion equation
1,755,625,981.38 : 2,420,420,107.50 = 1,394,717,444.16 : x - Step 2: Convert to fraction form
1,755,625,981.38/2,420,420,107.50 = 1,394,717,444.16/x - Step 3: Cross multiply
1,755,625,981.38x = 2,420,420,107.50 × 1,394,717,444.16 - Step 4: Simplify right side
1,755,625,981.38x = 3,375,802,146,125,872,640 - Step 5: Solve for x
x = 3,375,802,146,125,872,640/1,755,625,981.38 - Step 6: Final answer
x = 1,922,848,136.18
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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.