Finding the Fourth Proportional to 378,239,202.86, 566,825,472.84 and 178,605,480.20
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Solution
The fourth proportional to 378,239,202.86, 566,825,472.84 and 178,605,480.20 is: 267,656,379.88
Step by Step Solution
- Step 1: Write the proportion equation
378,239,202.86 : 566,825,472.84 = 178,605,480.20 : x - Step 2: Convert to fraction form
378,239,202.86/566,825,472.84 = 178,605,480.20/x - Step 3: Cross multiply
378,239,202.86x = 566,825,472.84 × 178,605,480.20 - Step 4: Simplify right side
378,239,202.86x = 101,238,135,766,927,536 - Step 5: Solve for x
x = 101,238,135,766,927,536/378,239,202.86 - Step 6: Final answer
x = 267,656,379.88
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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.