Finding the Fourth Proportional to 7,640,016,717.63, 11,461,268,929.31 and 2,256,201,950.05
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Solution
The fourth proportional to 7,640,016,717.63, 11,461,268,929.31 and 2,256,201,950.05 is: 3,384,670,251.92
Step by Step Solution
- Step 1: Write the proportion equation
7,640,016,717.63 : 11,461,268,929.31 = 2,256,201,950.05 : x - Step 2: Convert to fraction form
7,640,016,717.63/11,461,268,929.31 = 2,256,201,950.05/x - Step 3: Cross multiply
7,640,016,717.63x = 11,461,268,929.31 × 2,256,201,950.05 - Step 4: Simplify right side
7,640,016,717.63x = 25,858,937,308,356,698,112 - Step 5: Solve for x
x = 25,858,937,308,356,698,112/7,640,016,717.63 - Step 6: Final answer
x = 3,384,670,251.92
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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.