Finding the Fourth Proportional to 436,568,687.40, 654,944,010.30 and 145,526,226.60
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Solution
The fourth proportional to 436,568,687.40, 654,944,010.30 and 145,526,226.60 is: 218,319,666.99
Step by Step Solution
- Step 1: Write the proportion equation
436,568,687.40 : 654,944,010.30 = 145,526,226.60 : x - Step 2: Convert to fraction form
436,568,687.40/654,944,010.30 = 145,526,226.60/x - Step 3: Cross multiply
436,568,687.40x = 654,944,010.30 × 145,526,226.60 - Step 4: Simplify right side
436,568,687.40x = 95,311,530,453,230,528 - Step 5: Solve for x
x = 95,311,530,453,230,528/436,568,687.40 - Step 6: Final answer
x = 218,319,666.99
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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.