Finding the Fourth Proportional to 3,880,807,480.80, 5,821,211,221.20 and 1,082,770,615.80
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Solution
The fourth proportional to 3,880,807,480.80, 5,821,211,221.20 and 1,082,770,615.80 is: 1,624,155,923.70
Step by Step Solution
- Step 1: Write the proportion equation
3,880,807,480.80 : 5,821,211,221.20 = 1,082,770,615.80 : x - Step 2: Convert to fraction form
3,880,807,480.80/5,821,211,221.20 = 1,082,770,615.80/x - Step 3: Cross multiply
3,880,807,480.80x = 5,821,211,221.20 × 1,082,770,615.80 - Step 4: Simplify right side
3,880,807,480.80x = 6,303,036,458,680,593,408 - Step 5: Solve for x
x = 6,303,036,458,680,593,408/3,880,807,480.80 - Step 6: Final answer
x = 1,624,155,923.70
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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.