Finding the Fourth Proportional to 7,218,883,029.36, 9,965,322,795.26 and 4,546,590,528.72
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Solution
The fourth proportional to 7,218,883,029.36, 9,965,322,795.26 and 4,546,590,528.72 is: 6,276,350,794.47
Step by Step Solution
- Step 1: Write the proportion equation
7,218,883,029.36 : 9,965,322,795.26 = 4,546,590,528.72 : x - Step 2: Convert to fraction form
7,218,883,029.36/9,965,322,795.26 = 4,546,590,528.72/x - Step 3: Cross multiply
7,218,883,029.36x = 9,965,322,795.26 × 4,546,590,528.72 - Step 4: Simplify right side
7,218,883,029.36x = 45,308,242,236,543,901,696 - Step 5: Solve for x
x = 45,308,242,236,543,901,696/7,218,883,029.36 - Step 6: Final answer
x = 6,276,350,794.47
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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.