Finding the Fourth Proportional to 13,607,660,796.44, 20,418,809,161.82 and 13,112,363,430.99
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Solution
The fourth proportional to 13,607,660,796.44, 20,418,809,161.82 and 13,112,363,430.99 is: 19,675,596,751.20
Step by Step Solution
- Step 1: Write the proportion equation
13,607,660,796.44 : 20,418,809,161.82 = 13,112,363,430.99 : x - Step 2: Convert to fraction form
13,607,660,796.44/20,418,809,161.82 = 13,112,363,430.99/x - Step 3: Cross multiply
13,607,660,796.44x = 20,418,809,161.82 × 13,112,363,430.99 - Step 4: Simplify right side
13,607,660,796.44x = 267,738,846,557,746,561,024 - Step 5: Solve for x
x = 267,738,846,557,746,561,024/13,607,660,796.44 - Step 6: Final answer
x = 19,675,596,751.20
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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.