Finding the Fourth Proportional to 305,531,494,851.28, 421,614,465,179.14 and 168,346,644,080.50
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Solution
The fourth proportional to 305,531,494,851.28, 421,614,465,179.14 and 168,346,644,080.50 is: 232,307,901,164.99
Step by Step Solution
- Step 1: Write the proportion equation
305,531,494,851.28 : 421,614,465,179.14 = 168,346,644,080.50 : x - Step 2: Convert to fraction form
305,531,494,851.28/421,614,465,179.14 = 168,346,644,080.50/x - Step 3: Cross multiply
305,531,494,851.28x = 421,614,465,179.14 × 168,346,644,080.50 - Step 4: Simplify right side
305,531,494,851.28x = 70,977,380,308,703,047,057,408 - Step 5: Solve for x
x = 70,977,380,308,703,047,057,408/305,531,494,851.28 - Step 6: Final answer
x = 232,307,901,164.99
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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.