Finding the Fourth Proportional to 540,797,874.19, 746,332,532.75 and 302,641,044.62
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Solution
The fourth proportional to 540,797,874.19, 746,332,532.75 and 302,641,044.62 is: 417,662,250.77
Step by Step Solution
- Step 1: Write the proportion equation
540,797,874.19 : 746,332,532.75 = 302,641,044.62 : x - Step 2: Convert to fraction form
540,797,874.19/746,332,532.75 = 302,641,044.62/x - Step 3: Cross multiply
540,797,874.19x = 746,332,532.75 × 302,641,044.62 - Step 4: Simplify right side
540,797,874.19x = 225,870,857,342,375,328 - Step 5: Solve for x
x = 225,870,857,342,375,328/540,797,874.19 - Step 6: Final answer
x = 417,662,250.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.