Finding the Fourth Proportional to 2,243,378,115.70, 3,365,067,173.55 and 1,861,172,163.70
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Solution
The fourth proportional to 2,243,378,115.70, 3,365,067,173.55 and 1,861,172,163.70 is: 2,791,758,245.55
Step by Step Solution
- Step 1: Write the proportion equation
2,243,378,115.70 : 3,365,067,173.55 = 1,861,172,163.70 : x - Step 2: Convert to fraction form
2,243,378,115.70/3,365,067,173.55 = 1,861,172,163.70/x - Step 3: Cross multiply
2,243,378,115.70x = 3,365,067,173.55 × 1,861,172,163.70 - Step 4: Simplify right side
2,243,378,115.70x = 6,262,969,352,391,897,088 - Step 5: Solve for x
x = 6,262,969,352,391,897,088/2,243,378,115.70 - Step 6: Final answer
x = 2,791,758,245.55
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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.