Finding the Fourth Proportional to 11,860,920,469.71, 16,368,025,329.99 and 6,508,570,379.13
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Solution
The fourth proportional to 11,860,920,469.71, 16,368,025,329.99 and 6,508,570,379.13 is: 8,981,802,474.75
Step by Step Solution
- Step 1: Write the proportion equation
11,860,920,469.71 : 16,368,025,329.99 = 6,508,570,379.13 : x - Step 2: Convert to fraction form
11,860,920,469.71/16,368,025,329.99 = 6,508,570,379.13/x - Step 3: Cross multiply
11,860,920,469.71x = 16,368,025,329.99 × 6,508,570,379.13 - Step 4: Simplify right side
11,860,920,469.71x = 106,532,444,827,622,457,344 - Step 5: Solve for x
x = 106,532,444,827,622,457,344/11,860,920,469.71 - Step 6: Final answer
x = 8,981,802,474.75
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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.