Finding the Fourth Proportional to 7,799,266,414.14, 10,762,987,651.74 and 4,457,836,441.86
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Solution
The fourth proportional to 7,799,266,414.14, 10,762,987,651.74 and 4,457,836,441.86 is: 6,151,814,289.90
Step by Step Solution
- Step 1: Write the proportion equation
7,799,266,414.14 : 10,762,987,651.74 = 4,457,836,441.86 : x - Step 2: Convert to fraction form
7,799,266,414.14/10,762,987,651.74 = 4,457,836,441.86/x - Step 3: Cross multiply
7,799,266,414.14x = 10,762,987,651.74 × 4,457,836,441.86 - Step 4: Simplify right side
7,799,266,414.14x = 47,979,638,577,215,750,144 - Step 5: Solve for x
x = 47,979,638,577,215,750,144/7,799,266,414.14 - Step 6: Final answer
x = 6,151,814,289.90
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1.5x scale
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.