Finding the Fourth Proportional to 263,478,943,793.14, 363,467,126,265.68 and 172,080,994,770.60
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Solution
The fourth proportional to 263,478,943,793.14, 363,467,126,265.68 and 172,080,994,770.60 is: 237,384,375,972.43
Step by Step Solution
- Step 1: Write the proportion equation
263,478,943,793.14 : 363,467,126,265.68 = 172,080,994,770.60 : x - Step 2: Convert to fraction form
263,478,943,793.14/363,467,126,265.68 = 172,080,994,770.60/x - Step 3: Cross multiply
263,478,943,793.14x = 363,467,126,265.68 × 172,080,994,770.60 - Step 4: Simplify right side
263,478,943,793.14x = 62,545,784,654,209,493,237,760 - Step 5: Solve for x
x = 62,545,784,654,209,493,237,760/263,478,943,793.14 - Step 6: Final answer
x = 237,384,375,972.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.