Finding the Fourth Proportional to 952,188,791.91, 1,313,901,544.28 and 528,744,881.31
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Solution
The fourth proportional to 952,188,791.91, 1,313,901,544.28 and 528,744,881.31 is: 729,601,862.56
Step by Step Solution
- Step 1: Write the proportion equation
952,188,791.91 : 1,313,901,544.28 = 528,744,881.31 : x - Step 2: Convert to fraction form
952,188,791.91/1,313,901,544.28 = 528,744,881.31/x - Step 3: Cross multiply
952,188,791.91x = 1,313,901,544.28 × 528,744,881.31 - Step 4: Simplify right side
952,188,791.91x = 694,718,716,083,354,240 - Step 5: Solve for x
x = 694,718,716,083,354,240/952,188,791.91 - Step 6: Final answer
x = 729,601,862.56
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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.