Finding the Fourth Proportional to 396,366,939.80, 594,550,409.70 and 396,366,939.80
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Solution
The fourth proportional to 396,366,939.80, 594,550,409.70 and 396,366,939.80 is: 594,550,409.70
Step by Step Solution
- Step 1: Write the proportion equation
396,366,939.80 : 594,550,409.70 = 396,366,939.80 : x - Step 2: Convert to fraction form
396,366,939.80/594,550,409.70 = 396,366,939.80/x - Step 3: Cross multiply
396,366,939.80x = 594,550,409.70 × 396,366,939.80 - Step 4: Simplify right side
396,366,939.80x = 235,660,126,449,625,248 - Step 5: Solve for x
x = 235,660,126,449,625,248/396,366,939.80 - Step 6: Final answer
x = 594,550,409.70
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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.