Finding the Fourth Proportional to 11,231,553,625.80, 16,847,330,438.70 and 7,966,380,121.80
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Solution
The fourth proportional to 11,231,553,625.80, 16,847,330,438.70 and 7,966,380,121.80 is: 11,949,570,182.70
Step by Step Solution
- Step 1: Write the proportion equation
11,231,553,625.80 : 16,847,330,438.70 = 7,966,380,121.80 : x - Step 2: Convert to fraction form
11,231,553,625.80/16,847,330,438.70 = 7,966,380,121.80/x - Step 3: Cross multiply
11,231,553,625.80x = 16,847,330,438.70 × 7,966,380,121.80 - Step 4: Simplify right side
11,231,553,625.80x = 134,212,238,312,255,766,528 - Step 5: Solve for x
x = 134,212,238,312,255,766,528/11,231,553,625.80 - Step 6: Final answer
x = 11,949,570,182.70
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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.