Finding the Fourth Proportional to 582,330,163.96, 873,929,072.50 and 427,284,620.92
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Solution
The fourth proportional to 582,330,163.96, 873,929,072.50 and 427,284,620.92 is: 641,245,251.52
Step by Step Solution
- Step 1: Write the proportion equation
582,330,163.96 : 873,929,072.50 = 427,284,620.92 : x - Step 2: Convert to fraction form
582,330,163.96/873,929,072.50 = 427,284,620.92/x - Step 3: Cross multiply
582,330,163.96x = 873,929,072.50 × 427,284,620.92 - Step 4: Simplify right side
582,330,163.96x = 373,416,452,454,129,728 - Step 5: Solve for x
x = 373,416,452,454,129,728/582,330,163.96 - Step 6: Final answer
x = 641,245,251.52
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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.