Finding the Fourth Proportional to 505,474,495.50, 758,240,105.97 and 141,940,507.98
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Solution
The fourth proportional to 505,474,495.50, 758,240,105.97 and 141,940,507.98 is: 212,918,726.41
Step by Step Solution
- Step 1: Write the proportion equation
505,474,495.50 : 758,240,105.97 = 141,940,507.98 : x - Step 2: Convert to fraction form
505,474,495.50/758,240,105.97 = 141,940,507.98/x - Step 3: Cross multiply
505,474,495.50x = 758,240,105.97 × 141,940,507.98 - Step 4: Simplify right side
505,474,495.50x = 107,624,985,812,190,832 - Step 5: Solve for x
x = 107,624,985,812,190,832/505,474,495.50 - Step 6: Final answer
x = 212,918,726.41
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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.