Finding the Fourth Proportional to 327,103,626.60, 490,655,439.90 and 235,270,621.80
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Solution
The fourth proportional to 327,103,626.60, 490,655,439.90 and 235,270,621.80 is: 352,905,932.70
Step by Step Solution
- Step 1: Write the proportion equation
327,103,626.60 : 490,655,439.90 = 235,270,621.80 : x - Step 2: Convert to fraction form
327,103,626.60/490,655,439.90 = 235,270,621.80/x - Step 3: Cross multiply
327,103,626.60x = 490,655,439.90 × 235,270,621.80 - Step 4: Simplify right side
327,103,626.60x = 115,436,810,434,825,536 - Step 5: Solve for x
x = 115,436,810,434,825,536/327,103,626.60 - Step 6: Final answer
x = 352,905,932.70
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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.