Finding the Fourth Proportional to 629,861,190.40, 944,791,785.60 and 370,943,135.20
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Solution
The fourth proportional to 629,861,190.40, 944,791,785.60 and 370,943,135.20 is: 556,414,702.80
Step by Step Solution
- Step 1: Write the proportion equation
629,861,190.40 : 944,791,785.60 = 370,943,135.20 : x - Step 2: Convert to fraction form
629,861,190.40/944,791,785.60 = 370,943,135.20/x - Step 3: Cross multiply
629,861,190.40x = 944,791,785.60 × 370,943,135.20 - Step 4: Simplify right side
629,861,190.40x = 350,464,027,061,670,208 - Step 5: Solve for x
x = 350,464,027,061,670,208/629,861,190.40 - Step 6: Final answer
x = 556,414,702.80
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Similar ratio
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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.