Finding the Fourth Proportional to 2,243,378,138.70, 3,365,067,208.05 and 1,861,172,186.70
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Solution
The fourth proportional to 2,243,378,138.70, 3,365,067,208.05 and 1,861,172,186.70 is: 2,791,758,280.05
Step by Step Solution
- Step 1: Write the proportion equation
2,243,378,138.70 : 3,365,067,208.05 = 1,861,172,186.70 : x - Step 2: Convert to fraction form
2,243,378,138.70/3,365,067,208.05 = 1,861,172,186.70/x - Step 3: Cross multiply
2,243,378,138.70x = 3,365,067,208.05 × 1,861,172,186.70 - Step 4: Simplify right side
2,243,378,138.70x = 6,262,969,493,998,882,816 - Step 5: Solve for x
x = 6,262,969,493,998,882,816/2,243,378,138.70 - Step 6: Final answer
x = 2,791,758,280.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.