Finding the Fourth Proportional to 314,318,644.20, 471,690,542.70 and 176,143,984.20
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Solution
The fourth proportional to 314,318,644.20, 471,690,542.70 and 176,143,984.20 is: 264,335,103.99
Step by Step Solution
- Step 1: Write the proportion equation
314,318,644.20 : 471,690,542.70 = 176,143,984.20 : x - Step 2: Convert to fraction form
314,318,644.20/471,690,542.70 = 176,143,984.20/x - Step 3: Cross multiply
314,318,644.20x = 471,690,542.70 × 176,143,984.20 - Step 4: Simplify right side
314,318,644.20x = 83,085,451,500,638,224 - Step 5: Solve for x
x = 83,085,451,500,638,224/314,318,644.20 - Step 6: Final answer
x = 264,335,103.99
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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.