Finding the Fourth Proportional to 2,299,040,048.40, 3,448,560,072.60 and 663,318,013.20
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Solution
The fourth proportional to 2,299,040,048.40, 3,448,560,072.60 and 663,318,013.20 is: 994,977,019.80
Step by Step Solution
- Step 1: Write the proportion equation
2,299,040,048.40 : 3,448,560,072.60 = 663,318,013.20 : x - Step 2: Convert to fraction form
2,299,040,048.40/3,448,560,072.60 = 663,318,013.20/x - Step 3: Cross multiply
2,299,040,048.40x = 3,448,560,072.60 × 663,318,013.20 - Step 4: Simplify right side
2,299,040,048.40x = 2,287,492,015,757,879,808 - Step 5: Solve for x
x = 2,287,492,015,757,879,808/2,299,040,048.40 - Step 6: Final answer
x = 994,977,019.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.