Finding the Fourth Proportional to 479,178,733.26, 718,847,520.66 and 168,205,662.75
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Solution
The fourth proportional to 479,178,733.26, 718,847,520.66 and 168,205,662.75 is: 252,336,373.12
Step by Step Solution
- Step 1: Write the proportion equation
479,178,733.26 : 718,847,520.66 = 168,205,662.75 : x - Step 2: Convert to fraction form
479,178,733.26/718,847,520.66 = 168,205,662.75/x - Step 3: Cross multiply
479,178,733.26x = 718,847,520.66 × 168,205,662.75 - Step 4: Simplify right side
479,178,733.26x = 120,914,223,628,809,616 - Step 5: Solve for x
x = 120,914,223,628,809,616/479,178,733.26 - Step 6: Final answer
x = 252,336,373.12
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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.