Finding the Fourth Proportional to 449,229,595.85, 673,858,121.36 and 154,120,576.05
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Solution
The fourth proportional to 449,229,595.85, 673,858,121.36 and 154,120,576.05 is: 231,185,573.70
Step by Step Solution
- Step 1: Write the proportion equation
449,229,595.85 : 673,858,121.36 = 154,120,576.05 : x - Step 2: Convert to fraction form
449,229,595.85/673,858,121.36 = 154,120,576.05/x - Step 3: Cross multiply
449,229,595.85x = 673,858,121.36 × 154,120,576.05 - Step 4: Simplify right side
449,229,595.85x = 103,855,401,836,604,720 - Step 5: Solve for x
x = 103,855,401,836,604,720/449,229,595.85 - Step 6: Final answer
x = 231,185,573.70
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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.