Finding the Fourth Proportional to 10,453,363,244.20, 15,680,044,866.30 and 8,086,112,453.80
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Solution
The fourth proportional to 10,453,363,244.20, 15,680,044,866.30 and 8,086,112,453.80 is: 12,129,168,680.70
Step by Step Solution
- Step 1: Write the proportion equation
10,453,363,244.20 : 15,680,044,866.30 = 8,086,112,453.80 : x - Step 2: Convert to fraction form
10,453,363,244.20/15,680,044,866.30 = 8,086,112,453.80/x - Step 3: Cross multiply
10,453,363,244.20x = 15,680,044,866.30 × 8,086,112,453.80 - Step 4: Simplify right side
10,453,363,244.20x = 126,790,606,069,531,181,056 - Step 5: Solve for x
x = 126,790,606,069,531,181,056/10,453,363,244.20 - Step 6: Final answer
x = 12,129,168,680.70
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1.5x scale
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.