Finding the Fourth Proportional to 4,955,821,571.52, 7,433,979,370.74 and 1,415,088,158.85
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Solution
The fourth proportional to 4,955,821,571.52, 7,433,979,370.74 and 1,415,088,158.85 is: 2,122,702,770.64
Step by Step Solution
- Step 1: Write the proportion equation
4,955,821,571.52 : 7,433,979,370.74 = 1,415,088,158.85 : x - Step 2: Convert to fraction form
4,955,821,571.52/7,433,979,370.74 = 1,415,088,158.85/x - Step 3: Cross multiply
4,955,821,571.52x = 7,433,979,370.74 × 1,415,088,158.85 - Step 4: Simplify right side
4,955,821,571.52x = 10,519,736,180,669,347,840 - Step 5: Solve for x
x = 10,519,736,180,669,347,840/4,955,821,571.52 - Step 6: Final answer
x = 2,122,702,770.64
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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.