Finding the Fourth Proportional to 6,919,368,172.24, 9,548,882,266.44 and 3,949,084,849.36
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Solution
The fourth proportional to 6,919,368,172.24, 9,548,882,266.44 and 3,949,084,849.36 is: 5,449,825,092.12
Step by Step Solution
- Step 1: Write the proportion equation
6,919,368,172.24 : 9,548,882,266.44 = 3,949,084,849.36 : x - Step 2: Convert to fraction form
6,919,368,172.24/9,548,882,266.44 = 3,949,084,849.36/x - Step 3: Cross multiply
6,919,368,172.24x = 9,548,882,266.44 × 3,949,084,849.36 - Step 4: Simplify right side
6,919,368,172.24x = 37,709,346,286,720,589,824 - Step 5: Solve for x
x = 37,709,346,286,720,589,824/6,919,368,172.24 - Step 6: Final answer
x = 5,449,825,092.12
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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.