Finding the Fourth Proportional to 265,401,697.80, 398,102,546.70 and 150,610,441.80
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Solution
The fourth proportional to 265,401,697.80, 398,102,546.70 and 150,610,441.80 is: 225,915,662.70
Step by Step Solution
- Step 1: Write the proportion equation
265,401,697.80 : 398,102,546.70 = 150,610,441.80 : x - Step 2: Convert to fraction form
265,401,697.80/398,102,546.70 = 150,610,441.80/x - Step 3: Cross multiply
265,401,697.80x = 398,102,546.70 × 150,610,441.80 - Step 4: Simplify right side
265,401,697.80x = 59,958,400,440,192,136 - Step 5: Solve for x
x = 59,958,400,440,192,136/265,401,697.80 - Step 6: Final answer
x = 225,915,662.70
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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.