Finding the Fourth Proportional to 2,628,295,027.80, 3,942,442,541.70 and 2,198,313,331.80
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Solution
The fourth proportional to 2,628,295,027.80, 3,942,442,541.70 and 2,198,313,331.80 is: 3,297,469,997.70
Step by Step Solution
- Step 1: Write the proportion equation
2,628,295,027.80 : 3,942,442,541.70 = 2,198,313,331.80 : x - Step 2: Convert to fraction form
2,628,295,027.80/3,942,442,541.70 = 2,198,313,331.80/x - Step 3: Cross multiply
2,628,295,027.80x = 3,942,442,541.70 × 2,198,313,331.80 - Step 4: Simplify right side
2,628,295,027.80x = 8,666,723,999,274,588,160 - Step 5: Solve for x
x = 8,666,723,999,274,588,160/2,628,295,027.80 - Step 6: Final answer
x = 3,297,469,997.70
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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.