Finding the Fourth Proportional to 7,640,016,716.63, 11,461,268,927.81 and 2,256,201,949.05
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Solution
The fourth proportional to 7,640,016,716.63, 11,461,268,927.81 and 2,256,201,949.05 is: 3,384,670,250.42
Step by Step Solution
- Step 1: Write the proportion equation
7,640,016,716.63 : 11,461,268,927.81 = 2,256,201,949.05 : x - Step 2: Convert to fraction form
7,640,016,716.63/11,461,268,927.81 = 2,256,201,949.05/x - Step 3: Cross multiply
7,640,016,716.63x = 11,461,268,927.81 × 2,256,201,949.05 - Step 4: Simplify right side
7,640,016,716.63x = 25,858,937,293,504,356,352 - Step 5: Solve for x
x = 25,858,937,293,504,356,352/7,640,016,716.63 - Step 6: Final answer
x = 3,384,670,250.42
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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.