Finding the Fourth Proportional to 21,320,052,483,676, 29,421,672,427,476 and 12,195,525,126,749
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Solution
The fourth proportional to 21,320,052,483,676, 29,421,672,427,476 and 12,195,525,126,749 is: 16,829,824,674,915.40
Step by Step Solution
- Step 1: Write the proportion equation
21,320,052,483,676 : 29,421,672,427,476 = 12,195,525,126,749 : x - Step 2: Convert to fraction form
21,320,052,483,676/29,421,672,427,476 = 12,195,525,126,749/x - Step 3: Cross multiply
21,320,052,483,676x = 29,421,672,427,476 × 12,195,525,126,749 - Step 4: Simplify right side
21,320,052,483,676x = 358,812,745,360,261,790,560,157,696 - Step 5: Solve for x
x = 358,812,745,360,261,790,560,157,696/21,320,052,483,676 - Step 6: Final answer
x = 16,829,824,674,915.40
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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.