Finding the Fourth Proportional to 4,480,521,163.80, 6,720,781,745.70 and 4,036,661,640.60
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Solution
The fourth proportional to 4,480,521,163.80, 6,720,781,745.70 and 4,036,661,640.60 is: 6,054,992,460.90
Step by Step Solution
- Step 1: Write the proportion equation
4,480,521,163.80 : 6,720,781,745.70 = 4,036,661,640.60 : x - Step 2: Convert to fraction form
4,480,521,163.80/6,720,781,745.70 = 4,036,661,640.60/x - Step 3: Cross multiply
4,480,521,163.80x = 6,720,781,745.70 × 4,036,661,640.60 - Step 4: Simplify right side
4,480,521,163.80x = 27,129,521,867,711,893,504 - Step 5: Solve for x
x = 27,129,521,867,711,893,504/4,480,521,163.80 - Step 6: Final answer
x = 6,054,992,460.90
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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.