Finding the Fourth Proportional to 3,772,033,629.76, 5,205,681,529.05 and 2,186,534,912.32
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Solution
The fourth proportional to 3,772,033,629.76, 5,205,681,529.05 and 2,186,534,912.32 is: 3,017,577,657.81
Step by Step Solution
- Step 1: Write the proportion equation
3,772,033,629.76 : 5,205,681,529.05 = 2,186,534,912.32 : x - Step 2: Convert to fraction form
3,772,033,629.76/5,205,681,529.05 = 2,186,534,912.32/x - Step 3: Cross multiply
3,772,033,629.76x = 5,205,681,529.05 × 2,186,534,912.32 - Step 4: Simplify right side
3,772,033,629.76x = 11,382,404,405,687,187,456 - Step 5: Solve for x
x = 11,382,404,405,687,187,456/3,772,033,629.76 - Step 6: Final answer
x = 3,017,577,657.81
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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.