Finding the Fourth Proportional to 7,161,972,541.56, 9,883,290,324.24 and 4,110,651,062.52
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Solution
The fourth proportional to 7,161,972,541.56, 9,883,290,324.24 and 4,110,651,062.52 is: 5,672,565,433.17
Step by Step Solution
- Step 1: Write the proportion equation
7,161,972,541.56 : 9,883,290,324.24 = 4,110,651,062.52 : x - Step 2: Convert to fraction form
7,161,972,541.56/9,883,290,324.24 = 4,110,651,062.52/x - Step 3: Cross multiply
7,161,972,541.56x = 9,883,290,324.24 × 4,110,651,062.52 - Step 4: Simplify right side
7,161,972,541.56x = 40,626,757,872,530,792,448 - Step 5: Solve for x
x = 40,626,757,872,530,792,448/7,161,972,541.56 - Step 6: Final answer
x = 5,672,565,433.17
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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.