Finding the Fourth Proportional to 378,459,174.86, 567,686,380.13 and 203,664,545.18
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Solution
The fourth proportional to 378,459,174.86, 567,686,380.13 and 203,664,545.18 is: 305,495,535.82
Step by Step Solution
- Step 1: Write the proportion equation
378,459,174.86 : 567,686,380.13 = 203,664,545.18 : x - Step 2: Convert to fraction form
378,459,174.86/567,686,380.13 = 203,664,545.18/x - Step 3: Cross multiply
378,459,174.86x = 567,686,380.13 × 203,664,545.18 - Step 4: Simplify right side
378,459,174.86x = 115,617,588,410,200,288 - Step 5: Solve for x
x = 115,617,588,410,200,288/378,459,174.86 - Step 6: Final answer
x = 305,495,535.82
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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.