Finding the Fourth Proportional to 494,990,861.72, 742,024,709.56 and 167,237,163.68
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Solution
The fourth proportional to 494,990,861.72, 742,024,709.56 and 167,237,163.68 is: 250,699,795.50
Step by Step Solution
- Step 1: Write the proportion equation
494,990,861.72 : 742,024,709.56 = 167,237,163.68 : x - Step 2: Convert to fraction form
494,990,861.72/742,024,709.56 = 167,237,163.68/x - Step 3: Cross multiply
494,990,861.72x = 742,024,709.56 × 167,237,163.68 - Step 4: Simplify right side
494,990,861.72x = 124,094,107,809,354,288 - Step 5: Solve for x
x = 124,094,107,809,354,288/494,990,861.72 - Step 6: Final answer
x = 250,699,795.50
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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.