Finding the Fourth Proportional to 3,188,939,442.40, 4,783,409,163.60 and 2,867,523,925.60
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Solution
The fourth proportional to 3,188,939,442.40, 4,783,409,163.60 and 2,867,523,925.60 is: 4,301,285,888.40
Step by Step Solution
- Step 1: Write the proportion equation
3,188,939,442.40 : 4,783,409,163.60 = 2,867,523,925.60 : x - Step 2: Convert to fraction form
3,188,939,442.40/4,783,409,163.60 = 2,867,523,925.60/x - Step 3: Cross multiply
3,188,939,442.40x = 4,783,409,163.60 × 2,867,523,925.60 - Step 4: Simplify right side
3,188,939,442.40x = 13,716,540,222,557,284,352 - Step 5: Solve for x
x = 13,716,540,222,557,284,352/3,188,939,442.40 - Step 6: Final answer
x = 4,301,285,888.40
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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.