Finding the Fourth Proportional to 737,754,523.70, 1,107,056,938.35 and 278,022,629.30
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Solution
The fourth proportional to 737,754,523.70, 1,107,056,938.35 and 278,022,629.30 is: 417,194,162.69
Step by Step Solution
- Step 1: Write the proportion equation
737,754,523.70 : 1,107,056,938.35 = 278,022,629.30 : x - Step 2: Convert to fraction form
737,754,523.70/1,107,056,938.35 = 278,022,629.30/x - Step 3: Cross multiply
737,754,523.70x = 1,107,056,938.35 × 278,022,629.30 - Step 4: Simplify right side
737,754,523.70x = 307,786,880,784,875,008 - Step 5: Solve for x
x = 307,786,880,784,875,008/737,754,523.70 - Step 6: Final answer
x = 417,194,162.69
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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.