Finding the Fourth Proportional to 1,360,110,989.16, 2,040,177,912.30 and 377,614,138.68
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Solution
The fourth proportional to 1,360,110,989.16, 2,040,177,912.30 and 377,614,138.68 is: 566,424,380.99
Step by Step Solution
- Step 1: Write the proportion equation
1,360,110,989.16 : 2,040,177,912.30 = 377,614,138.68 : x - Step 2: Convert to fraction form
1,360,110,989.16/2,040,177,912.30 = 377,614,138.68/x - Step 3: Cross multiply
1,360,110,989.16x = 2,040,177,912.30 × 377,614,138.68 - Step 4: Simplify right side
1,360,110,989.16x = 770,400,025,107,125,120 - Step 5: Solve for x
x = 770,400,025,107,125,120/1,360,110,989.16 - Step 6: Final answer
x = 566,424,380.99
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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.