Finding the Fourth Proportional to 275,803,082.70, 413,704,624.05 and 194,173,745.10
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Solution
The fourth proportional to 275,803,082.70, 413,704,624.05 and 194,173,745.10 is: 291,260,617.65
Step by Step Solution
- Step 1: Write the proportion equation
275,803,082.70 : 413,704,624.05 = 194,173,745.10 : x - Step 2: Convert to fraction form
275,803,082.70/413,704,624.05 = 194,173,745.10/x - Step 3: Cross multiply
275,803,082.70x = 413,704,624.05 × 194,173,745.10 - Step 4: Simplify right side
275,803,082.70x = 80,330,576,216,976,032 - Step 5: Solve for x
x = 80,330,576,216,976,032/275,803,082.70 - Step 6: Final answer
x = 291,260,617.65
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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.