Finding the Fourth Proportional to 8,859,101,046.20, 13,288,651,569.30 and 8,481,672,668.60
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Solution
The fourth proportional to 8,859,101,046.20, 13,288,651,569.30 and 8,481,672,668.60 is: 12,722,509,002.90
Step by Step Solution
- Step 1: Write the proportion equation
8,859,101,046.20 : 13,288,651,569.30 = 8,481,672,668.60 : x - Step 2: Convert to fraction form
8,859,101,046.20/13,288,651,569.30 = 8,481,672,668.60/x - Step 3: Cross multiply
8,859,101,046.20x = 13,288,651,569.30 × 8,481,672,668.60 - Step 4: Simplify right side
8,859,101,046.20x = 112,709,992,817,880,301,568 - Step 5: Solve for x
x = 112,709,992,817,880,301,568/8,859,101,046.20 - Step 6: Final answer
x = 12,722,509,002.90
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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.