Finding the Fourth Proportional to 366,979,588.90, 550,469,383.35 and 203,720,913.70
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Solution
The fourth proportional to 366,979,588.90, 550,469,383.35 and 203,720,913.70 is: 305,581,370.55
Step by Step Solution
- Step 1: Write the proportion equation
366,979,588.90 : 550,469,383.35 = 203,720,913.70 : x - Step 2: Convert to fraction form
366,979,588.90/550,469,383.35 = 203,720,913.70/x - Step 3: Cross multiply
366,979,588.90x = 550,469,383.35 × 203,720,913.70 - Step 4: Simplify right side
366,979,588.90x = 112,142,125,739,937,568 - Step 5: Solve for x
x = 112,142,125,739,937,568/366,979,588.90 - Step 6: Final answer
x = 305,581,370.55
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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.