Finding the Fourth Proportional to 6,389,040,761.44, 9,583,756,380.99 and 2,191,934,702.56
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Solution
The fourth proportional to 6,389,040,761.44, 9,583,756,380.99 and 2,191,934,702.56 is: 3,287,969,035.84
Step by Step Solution
- Step 1: Write the proportion equation
6,389,040,761.44 : 9,583,756,380.99 = 2,191,934,702.56 : x - Step 2: Convert to fraction form
6,389,040,761.44/9,583,756,380.99 = 2,191,934,702.56/x - Step 3: Cross multiply
6,389,040,761.44x = 9,583,756,380.99 × 2,191,934,702.56 - Step 4: Simplify right side
6,389,040,761.44x = 21,006,968,192,324,894,720 - Step 5: Solve for x
x = 21,006,968,192,324,894,720/6,389,040,761.44 - Step 6: Final answer
x = 3,287,969,035.84
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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.