Finding the Fourth Proportional to 776,883,003.20, 1,165,324,504.80 and 202,454,331.20
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Solution
The fourth proportional to 776,883,003.20, 1,165,324,504.80 and 202,454,331.20 is: 303,681,496.80
Step by Step Solution
- Step 1: Write the proportion equation
776,883,003.20 : 1,165,324,504.80 = 202,454,331.20 : x - Step 2: Convert to fraction form
776,883,003.20/1,165,324,504.80 = 202,454,331.20/x - Step 3: Cross multiply
776,883,003.20x = 1,165,324,504.80 × 202,454,331.20 - Step 4: Simplify right side
776,883,003.20x = 235,924,993,250,255,168 - Step 5: Solve for x
x = 235,924,993,250,255,168/776,883,003.20 - Step 6: Final answer
x = 303,681,496.80
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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.