Finding the Fourth Proportional to 310,453,524.09, 465,680,286.41 and 126,177,826.41
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Solution
The fourth proportional to 310,453,524.09, 465,680,286.41 and 126,177,826.41 is: 189,266,739.72
Step by Step Solution
- Step 1: Write the proportion equation
310,453,524.09 : 465,680,286.41 = 126,177,826.41 : x - Step 2: Convert to fraction form
310,453,524.09/465,680,286.41 = 126,177,826.41/x - Step 3: Cross multiply
310,453,524.09x = 465,680,286.41 × 126,177,826.41 - Step 4: Simplify right side
310,453,524.09x = 58,758,526,340,569,168 - Step 5: Solve for x
x = 58,758,526,340,569,168/310,453,524.09 - Step 6: Final answer
x = 189,266,739.72
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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.