Finding the Fourth Proportional to 1,679,131,170.36, 2,317,944,138.58 and 1,084,705,553.70
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Solution
The fourth proportional to 1,679,131,170.36, 2,317,944,138.58 and 1,084,705,553.70 is: 1,497,373,716.04
Step by Step Solution
- Step 1: Write the proportion equation
1,679,131,170.36 : 2,317,944,138.58 = 1,084,705,553.70 : x - Step 2: Convert to fraction form
1,679,131,170.36/2,317,944,138.58 = 1,084,705,553.70/x - Step 3: Cross multiply
1,679,131,170.36x = 2,317,944,138.58 × 1,084,705,553.70 - Step 4: Simplify right side
1,679,131,170.36x = 2,514,286,880,272,568,320 - Step 5: Solve for x
x = 2,514,286,880,272,568,320/1,679,131,170.36 - Step 6: Final answer
x = 1,497,373,716.04
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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.