Finding the Fourth Proportional to 1,546,351,343.87, 2,133,965,201.96 and 850,990,319.87
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Solution
The fourth proportional to 1,546,351,343.87, 2,133,965,201.96 and 850,990,319.87 is: 1,174,366,832.61
Step by Step Solution
- Step 1: Write the proportion equation
1,546,351,343.87 : 2,133,965,201.96 = 850,990,319.87 : x - Step 2: Convert to fraction form
1,546,351,343.87/2,133,965,201.96 = 850,990,319.87/x - Step 3: Cross multiply
1,546,351,343.87x = 2,133,965,201.96 × 850,990,319.87 - Step 4: Simplify right side
1,546,351,343.87x = 1,815,983,729,807,389,696 - Step 5: Solve for x
x = 1,815,983,729,807,389,696/1,546,351,343.87 - Step 6: Final answer
x = 1,174,366,832.61
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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.