Finding the Fourth Proportional to 2,611,576,390.66, 3,917,969,765.43 and 746,246,381.31
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Solution
The fourth proportional to 2,611,576,390.66, 3,917,969,765.43 and 746,246,381.31 is: 1,119,542,499.31
Step by Step Solution
- Step 1: Write the proportion equation
2,611,576,390.66 : 3,917,969,765.43 = 746,246,381.31 : x - Step 2: Convert to fraction form
2,611,576,390.66/3,917,969,765.43 = 746,246,381.31/x - Step 3: Cross multiply
2,611,576,390.66x = 3,917,969,765.43 × 746,246,381.31 - Step 4: Simplify right side
2,611,576,390.66x = 2,923,770,759,534,126,592 - Step 5: Solve for x
x = 2,923,770,759,534,126,592/2,611,576,390.66 - Step 6: Final answer
x = 1,119,542,499.31
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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.