Finding the Fourth Proportional to 2,848,920,172.36, 4,273,464,239.50 and 2,431,766,854.60
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Solution
The fourth proportional to 2,848,920,172.36, 4,273,464,239.50 and 2,431,766,854.60 is: 3,647,721,965.94
Step by Step Solution
- Step 1: Write the proportion equation
2,848,920,172.36 : 4,273,464,239.50 = 2,431,766,854.60 : x - Step 2: Convert to fraction form
2,848,920,172.36/4,273,464,239.50 = 2,431,766,854.60/x - Step 3: Cross multiply
2,848,920,172.36x = 4,273,464,239.50 × 2,431,766,854.60 - Step 4: Simplify right side
2,848,920,172.36x = 10,392,068,691,934,494,720 - Step 5: Solve for x
x = 10,392,068,691,934,494,720/2,848,920,172.36 - Step 6: Final answer
x = 3,647,721,965.94
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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.