Finding the Fourth Proportional to 6,315,523,376.72, 8,715,491,228.04 and 3,496,178,400.08
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Solution
The fourth proportional to 6,315,523,376.72, 8,715,491,228.04 and 3,496,178,400.08 is: 4,824,764,371.85
Step by Step Solution
- Step 1: Write the proportion equation
6,315,523,376.72 : 8,715,491,228.04 = 3,496,178,400.08 : x - Step 2: Convert to fraction form
6,315,523,376.72/8,715,491,228.04 = 3,496,178,400.08/x - Step 3: Cross multiply
6,315,523,376.72x = 8,715,491,228.04 × 3,496,178,400.08 - Step 4: Simplify right side
6,315,523,376.72x = 30,470,912,177,560,162,304 - Step 5: Solve for x
x = 30,470,912,177,560,162,304/6,315,523,376.72 - Step 6: Final answer
x = 4,824,764,371.85
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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.