Finding the Fourth Proportional to 1,101,114,891.05, 1,519,571,434.62 and 677,972,664.39
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Solution
The fourth proportional to 1,101,114,891.05, 1,519,571,434.62 and 677,972,664.39 is: 935,622,524.62
Step by Step Solution
- Step 1: Write the proportion equation
1,101,114,891.05 : 1,519,571,434.62 = 677,972,664.39 : x - Step 2: Convert to fraction form
1,101,114,891.05/1,519,571,434.62 = 677,972,664.39/x - Step 3: Cross multiply
1,101,114,891.05x = 1,519,571,434.62 × 677,972,664.39 - Step 4: Simplify right side
1,101,114,891.05x = 1,030,227,894,264,734,080 - Step 5: Solve for x
x = 1,030,227,894,264,734,080/1,101,114,891.05 - Step 6: Final answer
x = 935,622,524.62
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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.