Finding the Fourth Proportional to 367,347,843.92, 506,939,979.08 and 202,335,413.44
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Solution
The fourth proportional to 367,347,843.92, 506,939,979.08 and 202,335,413.44 is: 279,222,845.47
Step by Step Solution
- Step 1: Write the proportion equation
367,347,843.92 : 506,939,979.08 = 202,335,413.44 : x - Step 2: Convert to fraction form
367,347,843.92/506,939,979.08 = 202,335,413.44/x - Step 3: Cross multiply
367,347,843.92x = 506,939,979.08 × 202,335,413.44 - Step 4: Simplify right side
367,347,843.92x = 102,571,910,256,416,752 - Step 5: Solve for x
x = 102,571,910,256,416,752/367,347,843.92 - Step 6: Final answer
x = 279,222,845.47
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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.