Finding the Fourth Proportional to 576,050,286.20, 863,977,970.36 and 161,431,682.49
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Solution
The fourth proportional to 576,050,286.20, 863,977,970.36 and 161,431,682.49 is: 242,120,211.95
Step by Step Solution
- Step 1: Write the proportion equation
576,050,286.20 : 863,977,970.36 = 161,431,682.49 : x - Step 2: Convert to fraction form
576,050,286.20/863,977,970.36 = 161,431,682.49/x - Step 3: Cross multiply
576,050,286.20x = 863,977,970.36 × 161,431,682.49 - Step 4: Simplify right side
576,050,286.20x = 139,473,417,388,703,008 - Step 5: Solve for x
x = 139,473,417,388,703,008/576,050,286.20 - Step 6: Final answer
x = 242,120,211.95
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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.