Finding the Fourth Proportional to 7,052,686,738.80, 10,580,560,659.18 and 2,145,232,998.96
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Solution
The fourth proportional to 7,052,686,738.80, 10,580,560,659.18 and 2,145,232,998.96 is: 3,218,315,049.88
Step by Step Solution
- Step 1: Write the proportion equation
7,052,686,738.80 : 10,580,560,659.18 = 2,145,232,998.96 : x - Step 2: Convert to fraction form
7,052,686,738.80/10,580,560,659.18 = 2,145,232,998.96/x - Step 3: Cross multiply
7,052,686,738.80x = 10,580,560,659.18 × 2,145,232,998.96 - Step 4: Simplify right side
7,052,686,738.80x = 22,697,767,873,570,906,112 - Step 5: Solve for x
x = 22,697,767,873,570,906,112/7,052,686,738.80 - Step 6: Final answer
x = 3,218,315,049.88
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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.