Finding the Fourth Proportional to 995,335,489.80, 1,493,003,234.70 and 949,985,857.80
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Solution
The fourth proportional to 995,335,489.80, 1,493,003,234.70 and 949,985,857.80 is: 1,424,978,786.70
Step by Step Solution
- Step 1: Write the proportion equation
995,335,489.80 : 1,493,003,234.70 = 949,985,857.80 : x - Step 2: Convert to fraction form
995,335,489.80/1,493,003,234.70 = 949,985,857.80/x - Step 3: Cross multiply
995,335,489.80x = 1,493,003,234.70 × 949,985,857.80 - Step 4: Simplify right side
995,335,489.80x = 1,418,331,958,614,654,208 - Step 5: Solve for x
x = 1,418,331,958,614,654,208/995,335,489.80 - Step 6: Final answer
x = 1,424,978,786.70
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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.