Finding the Fourth Proportional to 681,251,733.75, 940,127,770.43 and 367,985,949.44
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Solution
The fourth proportional to 681,251,733.75, 940,127,770.43 and 367,985,949.44 is: 507,820,814.32
Step by Step Solution
- Step 1: Write the proportion equation
681,251,733.75 : 940,127,770.43 = 367,985,949.44 : x - Step 2: Convert to fraction form
681,251,733.75/940,127,770.43 = 367,985,949.44/x - Step 3: Cross multiply
681,251,733.75x = 940,127,770.43 × 367,985,949.44 - Step 4: Simplify right side
681,251,733.75x = 345,953,810,190,053,312 - Step 5: Solve for x
x = 345,953,810,190,053,312/681,251,733.75 - Step 6: Final answer
x = 507,820,814.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.