Finding the Fourth Proportional to 3,257,848,330.80, 4,886,772,496.20 and 804,185,233.80
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Solution
The fourth proportional to 3,257,848,330.80, 4,886,772,496.20 and 804,185,233.80 is: 1,206,277,850.70
Step by Step Solution
- Step 1: Write the proportion equation
3,257,848,330.80 : 4,886,772,496.20 = 804,185,233.80 : x - Step 2: Convert to fraction form
3,257,848,330.80/4,886,772,496.20 = 804,185,233.80/x - Step 3: Cross multiply
3,257,848,330.80x = 4,886,772,496.20 × 804,185,233.80 - Step 4: Simplify right side
3,257,848,330.80x = 3,929,870,282,384,006,144 - Step 5: Solve for x
x = 3,929,870,282,384,006,144/3,257,848,330.80 - Step 6: Final answer
x = 1,206,277,850.70
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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.