Finding the Fourth Proportional to 281,740,982.70, 422,611,474.05 and 195,647,540.70
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Solution
The fourth proportional to 281,740,982.70, 422,611,474.05 and 195,647,540.70 is: 293,471,311.05
Step by Step Solution
- Step 1: Write the proportion equation
281,740,982.70 : 422,611,474.05 = 195,647,540.70 : x - Step 2: Convert to fraction form
281,740,982.70/422,611,474.05 = 195,647,540.70/x - Step 3: Cross multiply
281,740,982.70x = 422,611,474.05 × 195,647,540.70 - Step 4: Simplify right side
281,740,982.70x = 82,682,895,569,484,368 - Step 5: Solve for x
x = 82,682,895,569,484,368/281,740,982.70 - Step 6: Final answer
x = 293,471,311.05
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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.