Finding the Fourth Proportional to 252,509,695.80, 378,764,543.70 and 244,951,423.80
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Solution
The fourth proportional to 252,509,695.80, 378,764,543.70 and 244,951,423.80 is: 367,427,135.70
Step by Step Solution
- Step 1: Write the proportion equation
252,509,695.80 : 378,764,543.70 = 244,951,423.80 : x - Step 2: Convert to fraction form
252,509,695.80/378,764,543.70 = 244,951,423.80/x - Step 3: Cross multiply
252,509,695.80x = 378,764,543.70 × 244,951,423.80 - Step 4: Simplify right side
252,509,695.80x = 92,778,914,264,272,320 - Step 5: Solve for x
x = 92,778,914,264,272,320/252,509,695.80 - Step 6: Final answer
x = 367,427,135.70
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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.