Finding the Fourth Proportional to 4,886,080,893.80, 7,329,121,340.70 and 2,556,117,578.60
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Solution
The fourth proportional to 4,886,080,893.80, 7,329,121,340.70 and 2,556,117,578.60 is: 3,834,176,367.90
Step by Step Solution
- Step 1: Write the proportion equation
4,886,080,893.80 : 7,329,121,340.70 = 2,556,117,578.60 : x - Step 2: Convert to fraction form
4,886,080,893.80/7,329,121,340.70 = 2,556,117,578.60/x - Step 3: Cross multiply
4,886,080,893.80x = 7,329,121,340.70 × 2,556,117,578.60 - Step 4: Simplify right side
4,886,080,893.80x = 18,734,095,894,655,668,224 - Step 5: Solve for x
x = 18,734,095,894,655,668,224/4,886,080,893.80 - Step 6: Final answer
x = 3,834,176,367.90
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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.