Finding the Fourth Proportional to 68,620,405,514.33, 102,930,608,271.49 and 68,620,405,514.33
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Solution
The fourth proportional to 68,620,405,514.33, 102,930,608,271.49 and 68,620,405,514.33 is: 102,930,608,271.49
Step by Step Solution
- Step 1: Write the proportion equation
68,620,405,514.33 : 102,930,608,271.49 = 68,620,405,514.33 : x - Step 2: Convert to fraction form
68,620,405,514.33/102,930,608,271.49 = 68,620,405,514.33/x - Step 3: Cross multiply
68,620,405,514.33x = 102,930,608,271.49 × 68,620,405,514.33 - Step 4: Simplify right side
68,620,405,514.33x = 7,063,140,079,425,778,876,416 - Step 5: Solve for x
x = 7,063,140,079,425,778,876,416/68,620,405,514.33 - Step 6: Final answer
x = 102,930,608,271.49
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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.