Finding the Fourth Proportional to 8,440,308,212.74, 11,647,515,434.78 and 4,823,290,797.06
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Solution
The fourth proportional to 8,440,308,212.74, 11,647,515,434.78 and 4,823,290,797.06 is: 6,656,078,497.27
Step by Step Solution
- Step 1: Write the proportion equation
8,440,308,212.74 : 11,647,515,434.78 = 4,823,290,797.06 : x - Step 2: Convert to fraction form
8,440,308,212.74/11,647,515,434.78 = 4,823,290,797.06/x - Step 3: Cross multiply
8,440,308,212.74x = 11,647,515,434.78 × 4,823,290,797.06 - Step 4: Simplify right side
8,440,308,212.74x = 56,179,354,005,188,689,920 - Step 5: Solve for x
x = 56,179,354,005,188,689,920/8,440,308,212.74 - Step 6: Final answer
x = 6,656,078,497.27
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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.