Finding the Fourth Proportional to 2,565,393,471.90, 3,848,090,207.85 and 2,198,061,452.70
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Solution
The fourth proportional to 2,565,393,471.90, 3,848,090,207.85 and 2,198,061,452.70 is: 3,297,092,179.05
Step by Step Solution
- Step 1: Write the proportion equation
2,565,393,471.90 : 3,848,090,207.85 = 2,198,061,452.70 : x - Step 2: Convert to fraction form
2,565,393,471.90/3,848,090,207.85 = 2,198,061,452.70/x - Step 3: Cross multiply
2,565,393,471.90x = 3,848,090,207.85 × 2,198,061,452.70 - Step 4: Simplify right side
2,565,393,471.90x = 8,458,338,752,387,415,040 - Step 5: Solve for x
x = 8,458,338,752,387,415,040/2,565,393,471.90 - Step 6: Final answer
x = 3,297,092,179.05
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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.