Finding the Fourth Proportional to 2,121,764,729.59, 2,906,831,797.56 and 2,042,239,373.47
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Solution
The fourth proportional to 2,121,764,729.59, 2,906,831,797.56 and 2,042,239,373.47 is: 2,797,881,530.52
Step by Step Solution
- Step 1: Write the proportion equation
2,121,764,729.59 : 2,906,831,797.56 = 2,042,239,373.47 : x - Step 2: Convert to fraction form
2,121,764,729.59/2,906,831,797.56 = 2,042,239,373.47/x - Step 3: Cross multiply
2,121,764,729.59x = 2,906,831,797.56 × 2,042,239,373.47 - Step 4: Simplify right side
2,121,764,729.59x = 5,936,446,349,017,073,664 - Step 5: Solve for x
x = 5,936,446,349,017,073,664/2,121,764,729.59 - Step 6: Final answer
x = 2,797,881,530.52
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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.