Finding the Fourth Proportional to 7,612,044,976.34, 11,429,275,981.68 and 4,257,188,879.03
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Solution
The fourth proportional to 7,612,044,976.34, 11,429,275,981.68 and 4,257,188,879.03 is: 6,392,051,906.65
Step by Step Solution
- Step 1: Write the proportion equation
7,612,044,976.34 : 11,429,275,981.68 = 4,257,188,879.03 : x - Step 2: Convert to fraction form
7,612,044,976.34/11,429,275,981.68 = 4,257,188,879.03/x - Step 3: Cross multiply
7,612,044,976.34x = 11,429,275,981.68 × 4,257,188,879.03 - Step 4: Simplify right side
7,612,044,976.34x = 48,656,586,604,515,639,296 - Step 5: Solve for x
x = 48,656,586,604,515,639,296/7,612,044,976.34 - Step 6: Final answer
x = 6,392,051,906.65
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1.5x scale
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.