Finding the Fourth Proportional to 2,095,414,216.20, 3,143,121,324.30 and 621,607,163.40
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Solution
The fourth proportional to 2,095,414,216.20, 3,143,121,324.30 and 621,607,163.40 is: 932,410,745.10
Step by Step Solution
- Step 1: Write the proportion equation
2,095,414,216.20 : 3,143,121,324.30 = 621,607,163.40 : x - Step 2: Convert to fraction form
2,095,414,216.20/3,143,121,324.30 = 621,607,163.40/x - Step 3: Cross multiply
2,095,414,216.20x = 3,143,121,324.30 × 621,607,163.40 - Step 4: Simplify right side
2,095,414,216.20x = 1,953,786,730,620,174,592 - Step 5: Solve for x
x = 1,953,786,730,620,174,592/2,095,414,216.20 - Step 6: Final answer
x = 932,410,745.10
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1.5x scale
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.