Finding the Fourth Proportional to 7,218,883,028.11, 9,965,322,793.53 and 4,546,590,527.47
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Solution
The fourth proportional to 7,218,883,028.11, 9,965,322,793.53 and 4,546,590,527.47 is: 6,276,350,792.75
Step by Step Solution
- Step 1: Write the proportion equation
7,218,883,028.11 : 9,965,322,793.53 = 4,546,590,527.47 : x - Step 2: Convert to fraction form
7,218,883,028.11/9,965,322,793.53 = 4,546,590,527.47/x - Step 3: Cross multiply
7,218,883,028.11x = 9,965,322,793.53 × 4,546,590,527.47 - Step 4: Simplify right side
7,218,883,028.11x = 45,308,242,216,244,379,648 - Step 5: Solve for x
x = 45,308,242,216,244,379,648/7,218,883,028.11 - Step 6: Final answer
x = 6,276,350,792.75
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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.