Finding the Fourth Proportional to 3,634,343,236.80, 5,015,383,753.47 and 2,026,799,977.62
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Solution
The fourth proportional to 3,634,343,236.80, 5,015,383,753.47 and 2,026,799,977.62 is: 2,796,978,440.66
Step by Step Solution
- Step 1: Write the proportion equation
3,634,343,236.80 : 5,015,383,753.47 = 2,026,799,977.62 : x - Step 2: Convert to fraction form
3,634,343,236.80/5,015,383,753.47 = 2,026,799,977.62/x - Step 3: Cross multiply
3,634,343,236.80x = 5,015,383,753.47 × 2,026,799,977.62 - Step 4: Simplify right side
3,634,343,236.80x = 10,165,179,679,288,707,072 - Step 5: Solve for x
x = 10,165,179,679,288,707,072/3,634,343,236.80 - Step 6: Final answer
x = 2,796,978,440.66
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1.5x scale
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.