Finding the Fourth Proportional to 215,822,229.80, 323,733,344.70 and 193,147,413.80
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Solution
The fourth proportional to 215,822,229.80, 323,733,344.70 and 193,147,413.80 is: 289,721,120.70
Step by Step Solution
- Step 1: Write the proportion equation
215,822,229.80 : 323,733,344.70 = 193,147,413.80 : x - Step 2: Convert to fraction form
215,822,229.80/323,733,344.70 = 193,147,413.80/x - Step 3: Cross multiply
215,822,229.80x = 323,733,344.70 × 193,147,413.80 - Step 4: Simplify right side
215,822,229.80x = 62,528,258,289,628,936 - Step 5: Solve for x
x = 62,528,258,289,628,936/215,822,229.80 - Step 6: Final answer
x = 289,721,120.70
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1.5x scale
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.