Finding the Fourth Proportional to 2,208,362,227.20, 3,319,345,785.60 and 2,085,918,220.80
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Solution
The fourth proportional to 2,208,362,227.20, 3,319,345,785.60 and 2,085,918,220.80 is: 3,135,302,610.25
Step by Step Solution
- Step 1: Write the proportion equation
2,208,362,227.20 : 3,319,345,785.60 = 2,085,918,220.80 : x - Step 2: Convert to fraction form
2,208,362,227.20/3,319,345,785.60 = 2,085,918,220.80/x - Step 3: Cross multiply
2,208,362,227.20x = 3,319,345,785.60 × 2,085,918,220.80 - Step 4: Simplify right side
2,208,362,227.20x = 6,923,883,855,318,729,728 - Step 5: Solve for x
x = 6,923,883,855,318,729,728/2,208,362,227.20 - Step 6: Final answer
x = 3,135,302,610.25
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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.