Finding the Fourth Proportional to 372,858,163.20, 559,539,187.20 and 209,095,603.20
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Solution
The fourth proportional to 372,858,163.20, 559,539,187.20 and 209,095,603.20 is: 313,784,691.90
Step by Step Solution
- Step 1: Write the proportion equation
372,858,163.20 : 559,539,187.20 = 209,095,603.20 : x - Step 2: Convert to fraction form
372,858,163.20/559,539,187.20 = 209,095,603.20/x - Step 3: Cross multiply
372,858,163.20x = 559,539,187.20 × 209,095,603.20 - Step 4: Simplify right side
372,858,163.20x = 116,997,183,861,621,728 - Step 5: Solve for x
x = 116,997,183,861,621,728/372,858,163.20 - Step 6: Final answer
x = 313,784,691.90
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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.