Finding the Fourth Proportional to 5,176,272,062.10, 7,764,408,093.15 and 4,257,186,186.90
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Solution
The fourth proportional to 5,176,272,062.10, 7,764,408,093.15 and 4,257,186,186.90 is: 6,385,779,280.35
Step by Step Solution
- Step 1: Write the proportion equation
5,176,272,062.10 : 7,764,408,093.15 = 4,257,186,186.90 : x - Step 2: Convert to fraction form
5,176,272,062.10/7,764,408,093.15 = 4,257,186,186.90/x - Step 3: Cross multiply
5,176,272,062.10x = 7,764,408,093.15 × 4,257,186,186.90 - Step 4: Simplify right side
5,176,272,062.10x = 33,054,530,883,612,745,728 - Step 5: Solve for x
x = 33,054,530,883,612,745,728/5,176,272,062.10 - Step 6: Final answer
x = 6,385,779,280.35
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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.