Finding the Fourth Proportional to 297,218,084.40, 445,827,126.60 and 180,991,937.70
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Solution
The fourth proportional to 297,218,084.40, 445,827,126.60 and 180,991,937.70 is: 271,487,906.55
Step by Step Solution
- Step 1: Write the proportion equation
297,218,084.40 : 445,827,126.60 = 180,991,937.70 : x - Step 2: Convert to fraction form
297,218,084.40/445,827,126.60 = 180,991,937.70/x - Step 3: Cross multiply
297,218,084.40x = 445,827,126.60 × 180,991,937.70 - Step 4: Simplify right side
297,218,084.40x = 80,691,115,522,557,216 - Step 5: Solve for x
x = 80,691,115,522,557,216/297,218,084.40 - Step 6: Final answer
x = 271,487,906.55
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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.