Finding the Fourth Proportional to 366,979,386.90, 550,469,080.35 and 203,720,711.70
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Solution
The fourth proportional to 366,979,386.90, 550,469,080.35 and 203,720,711.70 is: 305,581,067.55
Step by Step Solution
- Step 1: Write the proportion equation
366,979,386.90 : 550,469,080.35 = 203,720,711.70 : x - Step 2: Convert to fraction form
366,979,386.90/550,469,080.35 = 203,720,711.70/x - Step 3: Cross multiply
366,979,386.90x = 550,469,080.35 × 203,720,711.70 - Step 4: Simplify right side
366,979,386.90x = 112,141,952,817,746,480 - Step 5: Solve for x
x = 112,141,952,817,746,480/366,979,386.90 - Step 6: Final answer
x = 305,581,067.55
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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.