Finding the Fourth Proportional to 5,189,396,564.56, 7,161,364,997.04 and 2,810,534,612.08
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Solution
The fourth proportional to 5,189,396,564.56, 7,161,364,997.04 and 2,810,534,612.08 is: 3,878,536,539.56
Step by Step Solution
- Step 1: Write the proportion equation
5,189,396,564.56 : 7,161,364,997.04 = 2,810,534,612.08 : x - Step 2: Convert to fraction form
5,189,396,564.56/7,161,364,997.04 = 2,810,534,612.08/x - Step 3: Cross multiply
5,189,396,564.56x = 7,161,364,997.04 × 2,810,534,612.08 - Step 4: Simplify right side
5,189,396,564.56x = 20,127,264,193,919,107,072 - Step 5: Solve for x
x = 20,127,264,193,919,107,072/5,189,396,564.56 - Step 6: Final answer
x = 3,878,536,539.56
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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.