Finding the Fourth Proportional to 472,393,163.80, 708,589,745.70 and 165,716,277.40
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Solution
The fourth proportional to 472,393,163.80, 708,589,745.70 and 165,716,277.40 is: 248,574,416.10
Step by Step Solution
- Step 1: Write the proportion equation
472,393,163.80 : 708,589,745.70 = 165,716,277.40 : x - Step 2: Convert to fraction form
472,393,163.80/708,589,745.70 = 165,716,277.40/x - Step 3: Cross multiply
472,393,163.80x = 708,589,745.70 × 165,716,277.40 - Step 4: Simplify right side
472,393,163.80x = 117,424,854,861,216,672 - Step 5: Solve for x
x = 117,424,854,861,216,672/472,393,163.80 - Step 6: Final answer
x = 248,574,416.10
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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.