Finding the Fourth Proportional to 3,940,729,035.21, 5,438,202,555.18 and 2,224,439,450.88
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Solution
The fourth proportional to 3,940,729,035.21, 5,438,202,555.18 and 2,224,439,450.88 is: 3,069,724,458.98
Step by Step Solution
- Step 1: Write the proportion equation
3,940,729,035.21 : 5,438,202,555.18 = 2,224,439,450.88 : x - Step 2: Convert to fraction form
3,940,729,035.21/5,438,202,555.18 = 2,224,439,450.88/x - Step 3: Cross multiply
3,940,729,035.21x = 5,438,202,555.18 × 2,224,439,450.88 - Step 4: Simplify right side
3,940,729,035.21x = 12,096,952,305,607,141,376 - Step 5: Solve for x
x = 12,096,952,305,607,141,376/3,940,729,035.21 - Step 6: Final answer
x = 3,069,724,458.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.