Finding the Fourth Proportional to 1,972,795,704.24, 2,722,436,375.32 and 1,068,529,142.08
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Solution
The fourth proportional to 1,972,795,704.24, 2,722,436,375.32 and 1,068,529,142.08 is: 1,474,558,464.54
Step by Step Solution
- Step 1: Write the proportion equation
1,972,795,704.24 : 2,722,436,375.32 = 1,068,529,142.08 : x - Step 2: Convert to fraction form
1,972,795,704.24/2,722,436,375.32 = 1,068,529,142.08/x - Step 3: Cross multiply
1,972,795,704.24x = 2,722,436,375.32 × 1,068,529,142.08 - Step 4: Simplify right side
1,972,795,704.24x = 2,909,002,604,488,065,024 - Step 5: Solve for x
x = 2,909,002,604,488,065,024/1,972,795,704.24 - Step 6: Final answer
x = 1,474,558,464.54
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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.