Finding the Fourth Proportional to 8,145,654,796.80, 12,213,481,734.24 and 3,165,561,799.68
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Solution
The fourth proportional to 8,145,654,796.80, 12,213,481,734.24 and 3,165,561,799.68 is: 4,746,399,421.96
Step by Step Solution
- Step 1: Write the proportion equation
8,145,654,796.80 : 12,213,481,734.24 = 3,165,561,799.68 : x - Step 2: Convert to fraction form
8,145,654,796.80/12,213,481,734.24 = 3,165,561,799.68/x - Step 3: Cross multiply
8,145,654,796.80x = 12,213,481,734.24 × 3,165,561,799.68 - Step 4: Simplify right side
8,145,654,796.80x = 38,662,531,218,999,582,720 - Step 5: Solve for x
x = 38,662,531,218,999,582,720/8,145,654,796.80 - Step 6: Final answer
x = 4,746,399,421.96
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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.