Finding the Fourth Proportional to 1,448,459,498,625.90, 1,998,916,746,046.70 and 798,179,970,908.75
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Solution
The fourth proportional to 1,448,459,498,625.90, 1,998,916,746,046.70 and 798,179,970,908.75 is: 1,101,511,855,679.88
Step by Step Solution
- Step 1: Write the proportion equation
1,448,459,498,625.90 : 1,998,916,746,046.70 = 798,179,970,908.75 : x - Step 2: Convert to fraction form
1,448,459,498,625.90/1,998,916,746,046.70 = 798,179,970,908.75/x - Step 3: Cross multiply
1,448,459,498,625.90x = 1,998,916,746,046.70 × 798,179,970,908.75 - Step 4: Simplify right side
1,448,459,498,625.90x = 1,595,495,310,208,568,148,361,216 - Step 5: Solve for x
x = 1,595,495,310,208,568,148,361,216/1,448,459,498,625.90 - Step 6: Final answer
x = 1,101,511,855,679.88
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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.