Finding the Fourth Proportional to 5,682,391,992.87, 8,519,242,938.35 and 3,440,951,481.64
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Solution
The fourth proportional to 5,682,391,992.87, 8,519,242,938.35 and 3,440,951,481.64 is: 5,158,796,092.90
Step by Step Solution
- Step 1: Write the proportion equation
5,682,391,992.87 : 8,519,242,938.35 = 3,440,951,481.64 : x - Step 2: Convert to fraction form
5,682,391,992.87/8,519,242,938.35 = 3,440,951,481.64/x - Step 3: Cross multiply
5,682,391,992.87x = 8,519,242,938.35 × 3,440,951,481.64 - Step 4: Simplify right side
5,682,391,992.87x = 29,314,301,611,143,372,800 - Step 5: Solve for x
x = 29,314,301,611,143,372,800/5,682,391,992.87 - Step 6: Final answer
x = 5,158,796,092.90
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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.