Finding the Fourth Proportional to 264,657,646,586.80, 396,986,469,880.20 and 65,910,935,729.80
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Solution
The fourth proportional to 264,657,646,586.80, 396,986,469,880.20 and 65,910,935,729.80 is: 98,866,403,594.70
Step by Step Solution
- Step 1: Write the proportion equation
264,657,646,586.80 : 396,986,469,880.20 = 65,910,935,729.80 : x - Step 2: Convert to fraction form
264,657,646,586.80/396,986,469,880.20 = 65,910,935,729.80/x - Step 3: Cross multiply
264,657,646,586.80x = 396,986,469,880.20 × 65,910,935,729.80 - Step 4: Simplify right side
264,657,646,586.80x = 26,165,749,701,874,047,516,672 - Step 5: Solve for x
x = 26,165,749,701,874,047,516,672/264,657,646,586.80 - Step 6: Final answer
x = 98,866,403,594.70
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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.