Finding the Fourth Proportional to 3,159,121,490.60, 4,738,682,235.90 and 2,240,791,442.60
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Solution
The fourth proportional to 3,159,121,490.60, 4,738,682,235.90 and 2,240,791,442.60 is: 3,361,187,163.90
Step by Step Solution
- Step 1: Write the proportion equation
3,159,121,490.60 : 4,738,682,235.90 = 2,240,791,442.60 : x - Step 2: Convert to fraction form
3,159,121,490.60/4,738,682,235.90 = 2,240,791,442.60/x - Step 3: Cross multiply
3,159,121,490.60x = 4,738,682,235.90 × 2,240,791,442.60 - Step 4: Simplify right side
3,159,121,490.60x = 10,618,398,603,405,352,960 - Step 5: Solve for x
x = 10,618,398,603,405,352,960/3,159,121,490.60 - Step 6: Final answer
x = 3,361,187,163.90
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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.