Finding the Fourth Proportional to 491,786,345.87, 737,469,539.89 and 284,667,720.08
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Solution
The fourth proportional to 491,786,345.87, 737,469,539.89 and 284,667,720.08 is: 426,880,035.02
Step by Step Solution
- Step 1: Write the proportion equation
491,786,345.87 : 737,469,539.89 = 284,667,720.08 : x - Step 2: Convert to fraction form
491,786,345.87/737,469,539.89 = 284,667,720.08/x - Step 3: Cross multiply
491,786,345.87x = 737,469,539.89 × 284,667,720.08 - Step 4: Simplify right side
491,786,345.87x = 209,933,772,548,932,896 - Step 5: Solve for x
x = 209,933,772,548,932,896/491,786,345.87 - Step 6: Final answer
x = 426,880,035.02
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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.