Finding the Fourth Proportional to 2,121,764,729.09, 2,906,831,796.87 and 2,042,239,372.97
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Solution
The fourth proportional to 2,121,764,729.09, 2,906,831,796.87 and 2,042,239,372.97 is: 2,797,881,529.83
Step by Step Solution
- Step 1: Write the proportion equation
2,121,764,729.09 : 2,906,831,796.87 = 2,042,239,372.97 : x - Step 2: Convert to fraction form
2,121,764,729.09/2,906,831,796.87 = 2,042,239,372.97/x - Step 3: Cross multiply
2,121,764,729.09x = 2,906,831,796.87 × 2,042,239,372.97 - Step 4: Simplify right side
2,121,764,729.09x = 5,936,446,346,162,069,504 - Step 5: Solve for x
x = 5,936,446,346,162,069,504/2,121,764,729.09 - Step 6: Final answer
x = 2,797,881,529.83
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.