Finding the Fourth Proportional to 2,662,632,413.06, 3,994,493,346.84 and 915,608,261.66
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Solution
The fourth proportional to 2,662,632,413.06, 3,994,493,346.84 and 915,608,261.66 is: 1,373,599,709.66
Step by Step Solution
- Step 1: Write the proportion equation
2,662,632,413.06 : 3,994,493,346.84 = 915,608,261.66 : x - Step 2: Convert to fraction form
2,662,632,413.06/3,994,493,346.84 = 915,608,261.66/x - Step 3: Cross multiply
2,662,632,413.06x = 3,994,493,346.84 × 915,608,261.66 - Step 4: Simplify right side
2,662,632,413.06x = 3,657,391,109,512,607,744 - Step 5: Solve for x
x = 3,657,391,109,512,607,744/2,662,632,413.06 - Step 6: Final answer
x = 1,373,599,709.66
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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.