Finding the Fourth Proportional to 7,644,940,600.80, 11,467,410,901.20 and 2,406,154,655.10
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Solution
The fourth proportional to 7,644,940,600.80, 11,467,410,901.20 and 2,406,154,655.10 is: 3,609,231,982.65
Step by Step Solution
- Step 1: Write the proportion equation
7,644,940,600.80 : 11,467,410,901.20 = 2,406,154,655.10 : x - Step 2: Convert to fraction form
7,644,940,600.80/11,467,410,901.20 = 2,406,154,655.10/x - Step 3: Cross multiply
7,644,940,600.80x = 11,467,410,901.20 × 2,406,154,655.10 - Step 4: Simplify right side
7,644,940,600.80x = 27,592,364,121,866,866,688 - Step 5: Solve for x
x = 27,592,364,121,866,866,688/7,644,940,600.80 - Step 6: Final answer
x = 3,609,231,982.65
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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.