Finding the Fourth Proportional to 311,970,187,531.09, 467,628,675,452.66 and 130,556,959,959.03
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Solution
The fourth proportional to 311,970,187,531.09, 467,628,675,452.66 and 130,556,959,959.03 is: 195,698,758,076.63
Step by Step Solution
- Step 1: Write the proportion equation
311,970,187,531.09 : 467,628,675,452.66 = 130,556,959,959.03 : x - Step 2: Convert to fraction form
311,970,187,531.09/467,628,675,452.66 = 130,556,959,959.03/x - Step 3: Cross multiply
311,970,187,531.09x = 467,628,675,452.66 × 130,556,959,959.03 - Step 4: Simplify right side
311,970,187,531.09x = 61,052,178,256,767,163,039,744 - Step 5: Solve for x
x = 61,052,178,256,767,163,039,744/311,970,187,531.09 - Step 6: Final answer
x = 195,698,758,076.63
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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.