Finding the Fourth Proportional to 366,979,616.90, 550,469,425.35 and 203,720,941.70
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Solution
The fourth proportional to 366,979,616.90, 550,469,425.35 and 203,720,941.70 is: 305,581,412.55
Step by Step Solution
- Step 1: Write the proportion equation
366,979,616.90 : 550,469,425.35 = 203,720,941.70 : x - Step 2: Convert to fraction form
366,979,616.90/550,469,425.35 = 203,720,941.70/x - Step 3: Cross multiply
366,979,616.90x = 550,469,425.35 × 203,720,941.70 - Step 4: Simplify right side
366,979,616.90x = 112,142,149,709,359,856 - Step 5: Solve for x
x = 112,142,149,709,359,856/366,979,616.90 - Step 6: Final answer
x = 305,581,412.55
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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.