Finding the Fourth Proportional to 368,977,840.92, 509,195,473.20 and 220,311,951.84
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Solution
The fourth proportional to 368,977,840.92, 509,195,473.20 and 220,311,951.84 is: 304,034,107.55
Step by Step Solution
- Step 1: Write the proportion equation
368,977,840.92 : 509,195,473.20 = 220,311,951.84 : x - Step 2: Convert to fraction form
368,977,840.92/509,195,473.20 = 220,311,951.84/x - Step 3: Cross multiply
368,977,840.92x = 509,195,473.20 × 220,311,951.84 - Step 4: Simplify right side
368,977,840.92x = 112,181,848,568,784,416 - Step 5: Solve for x
x = 112,181,848,568,784,416/368,977,840.92 - Step 6: Final answer
x = 304,034,107.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.