Finding the Fourth Proportional to 253,493,874.14, 379,585,949.66 and 174,952,734.63
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Solution
The fourth proportional to 253,493,874.14, 379,585,949.66 and 174,952,734.63 is: 261,977,139.08
Step by Step Solution
- Step 1: Write the proportion equation
253,493,874.14 : 379,585,949.66 = 174,952,734.63 : x - Step 2: Convert to fraction form
253,493,874.14/379,585,949.66 = 174,952,734.63/x - Step 3: Cross multiply
253,493,874.14x = 379,585,949.66 × 174,952,734.63 - Step 4: Simplify right side
253,493,874.14x = 66,409,599,919,267,752 - Step 5: Solve for x
x = 66,409,599,919,267,752/253,493,874.14 - Step 6: Final answer
x = 261,977,139.08
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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.