Finding the Fourth Proportional to 3,934,704,561.36, 5,898,424,789.08 and 1,967,846,115.12
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Solution
The fourth proportional to 3,934,704,561.36, 5,898,424,789.08 and 1,967,846,115.12 is: 2,949,952,690.35
Step by Step Solution
- Step 1: Write the proportion equation
3,934,704,561.36 : 5,898,424,789.08 = 1,967,846,115.12 : x - Step 2: Convert to fraction form
3,934,704,561.36/5,898,424,789.08 = 1,967,846,115.12/x - Step 3: Cross multiply
3,934,704,561.36x = 5,898,424,789.08 × 1,967,846,115.12 - Step 4: Simplify right side
3,934,704,561.36x = 11,607,192,306,518,583,296 - Step 5: Solve for x
x = 11,607,192,306,518,583,296/3,934,704,561.36 - Step 6: Final answer
x = 2,949,952,690.35
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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.