Finding the Fourth Proportional to 331,277,276.70, 496,911,249.45 and 149,524,163.10
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Solution
The fourth proportional to 331,277,276.70, 496,911,249.45 and 149,524,163.10 is: 224,284,138.80
Step by Step Solution
- Step 1: Write the proportion equation
331,277,276.70 : 496,911,249.45 = 149,524,163.10 : x - Step 2: Convert to fraction form
331,277,276.70/496,911,249.45 = 149,524,163.10/x - Step 3: Cross multiply
331,277,276.70x = 496,911,249.45 × 149,524,163.10 - Step 4: Simplify right side
331,277,276.70x = 74,300,238,708,986,576 - Step 5: Solve for x
x = 74,300,238,708,986,576/331,277,276.70 - Step 6: Final answer
x = 224,284,138.80
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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.