Finding the Fourth Proportional to 5,241,988,198, 7,864,086,605.84 and 1,700,453,104.12
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Solution
The fourth proportional to 5,241,988,198, 7,864,086,605.84 and 1,700,453,104.12 is: 2,551,037,883.88
Step by Step Solution
- Step 1: Write the proportion equation
5,241,988,198 : 7,864,086,605.84 = 1,700,453,104.12 : x - Step 2: Convert to fraction form
5,241,988,198/7,864,086,605.84 = 1,700,453,104.12/x - Step 3: Cross multiply
5,241,988,198x = 7,864,086,605.84 × 1,700,453,104.12 - Step 4: Simplify right side
5,241,988,198x = 13,372,510,479,969,142,784 - Step 5: Solve for x
x = 13,372,510,479,969,142,784/5,241,988,198 - Step 6: Final answer
x = 2,551,037,883.88
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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.