Finding the Fourth Proportional to 1,596,112,987.88, 2,202,591,743.75 and 881,635,735.87
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Solution
The fourth proportional to 1,596,112,987.88, 2,202,591,743.75 and 881,635,735.87 is: 1,216,632,912.31
Step by Step Solution
- Step 1: Write the proportion equation
1,596,112,987.88 : 2,202,591,743.75 = 881,635,735.87 : x - Step 2: Convert to fraction form
1,596,112,987.88/2,202,591,743.75 = 881,635,735.87/x - Step 3: Cross multiply
1,596,112,987.88x = 2,202,591,743.75 × 881,635,735.87 - Step 4: Simplify right side
1,596,112,987.88x = 1,941,883,592,819,003,648 - Step 5: Solve for x
x = 1,941,883,592,819,003,648/1,596,112,987.88 - Step 6: Final answer
x = 1,216,632,912.31
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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.