Finding the Fourth Proportional to 2,425,794,172.48, 3,347,595,872.16 and 1,311,960,239.68
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Solution
The fourth proportional to 2,425,794,172.48, 3,347,595,872.16 and 1,311,960,239.68 is: 1,810,505,084.32
Step by Step Solution
- Step 1: Write the proportion equation
2,425,794,172.48 : 3,347,595,872.16 = 1,311,960,239.68 : x - Step 2: Convert to fraction form
2,425,794,172.48/3,347,595,872.16 = 1,311,960,239.68/x - Step 3: Cross multiply
2,425,794,172.48x = 3,347,595,872.16 × 1,311,960,239.68 - Step 4: Simplify right side
2,425,794,172.48x = 4,391,912,682,790,812,160 - Step 5: Solve for x
x = 4,391,912,682,790,812,160/2,425,794,172.48 - Step 6: Final answer
x = 1,810,505,084.32
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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.