Finding the Fourth Proportional to 8,348,988,687.66, 11,521,522,535.43 and 4,538,284,910.12
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Solution
The fourth proportional to 8,348,988,687.66, 11,521,522,535.43 and 4,538,284,910.12 is: 6,262,788,682.58
Step by Step Solution
- Step 1: Write the proportion equation
8,348,988,687.66 : 11,521,522,535.43 = 4,538,284,910.12 : x - Step 2: Convert to fraction form
8,348,988,687.66/11,521,522,535.43 = 4,538,284,910.12/x - Step 3: Cross multiply
8,348,988,687.66x = 11,521,522,535.43 × 4,538,284,910.12 - Step 4: Simplify right side
8,348,988,687.66x = 52,287,951,864,091,885,568 - Step 5: Solve for x
x = 52,287,951,864,091,885,568/8,348,988,687.66 - Step 6: Final answer
x = 6,262,788,682.58
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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.