Finding the Fourth Proportional to 252,665,862.30, 378,998,793.45 and 169,442,201.70
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Solution
The fourth proportional to 252,665,862.30, 378,998,793.45 and 169,442,201.70 is: 254,163,302.55
Step by Step Solution
- Step 1: Write the proportion equation
252,665,862.30 : 378,998,793.45 = 169,442,201.70 : x - Step 2: Convert to fraction form
252,665,862.30/378,998,793.45 = 169,442,201.70/x - Step 3: Cross multiply
252,665,862.30x = 378,998,793.45 × 169,442,201.70 - Step 4: Simplify right side
252,665,862.30x = 64,218,390,003,811,536 - Step 5: Solve for x
x = 64,218,390,003,811,536/252,665,862.30 - Step 6: Final answer
x = 254,163,302.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.