Finding the Fourth Proportional to 448,492,097.20, 672,738,145.80 and 327,559,745.20
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Solution
The fourth proportional to 448,492,097.20, 672,738,145.80 and 327,559,745.20 is: 491,339,617.80
Step by Step Solution
- Step 1: Write the proportion equation
448,492,097.20 : 672,738,145.80 = 327,559,745.20 : x - Step 2: Convert to fraction form
448,492,097.20/672,738,145.80 = 327,559,745.20/x - Step 3: Cross multiply
448,492,097.20x = 672,738,145.80 × 327,559,745.20 - Step 4: Simplify right side
448,492,097.20x = 220,361,935,624,568,416 - Step 5: Solve for x
x = 220,361,935,624,568,416/448,492,097.20 - Step 6: Final answer
x = 491,339,617.80
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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.