Finding the Fourth Proportional to 743,838,187.60, 1,115,918,706.61 and 226,255,175.98
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Solution
The fourth proportional to 743,838,187.60, 1,115,918,706.61 and 226,255,175.98 is: 339,431,865.09
Step by Step Solution
- Step 1: Write the proportion equation
743,838,187.60 : 1,115,918,706.61 = 226,255,175.98 : x - Step 2: Convert to fraction form
743,838,187.60/1,115,918,706.61 = 226,255,175.98/x - Step 3: Cross multiply
743,838,187.60x = 1,115,918,706.61 × 226,255,175.98 - Step 4: Simplify right side
743,838,187.60x = 252,482,383,339,634,240 - Step 5: Solve for x
x = 252,482,383,339,634,240/743,838,187.60 - Step 6: Final answer
x = 339,431,865.09
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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.