Finding the Fourth Proportional to 363,420,006.10, 545,130,009.15 and 218,301,183.70
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Solution
The fourth proportional to 363,420,006.10, 545,130,009.15 and 218,301,183.70 is: 327,451,775.55
Step by Step Solution
- Step 1: Write the proportion equation
363,420,006.10 : 545,130,009.15 = 218,301,183.70 : x - Step 2: Convert to fraction form
363,420,006.10/545,130,009.15 = 218,301,183.70/x - Step 3: Cross multiply
363,420,006.10x = 545,130,009.15 × 218,301,183.70 - Step 4: Simplify right side
363,420,006.10x = 119,002,526,267,836,816 - Step 5: Solve for x
x = 119,002,526,267,836,816/363,420,006.10 - Step 6: Final answer
x = 327,451,775.55
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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.