Finding the Fourth Proportional to 9,212,021,992.20, 13,790,823,209.10 and 6,110,107,163.40
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Solution
The fourth proportional to 9,212,021,992.20, 13,790,823,209.10 and 6,110,107,163.40 is: 9,147,113,169.12
Step by Step Solution
- Step 1: Write the proportion equation
9,212,021,992.20 : 13,790,823,209.10 = 6,110,107,163.40 : x - Step 2: Convert to fraction form
9,212,021,992.20/13,790,823,209.10 = 6,110,107,163.40/x - Step 3: Cross multiply
9,212,021,992.20x = 13,790,823,209.10 × 6,110,107,163.40 - Step 4: Simplify right side
9,212,021,992.20x = 84,263,407,679,104,876,544 - Step 5: Solve for x
x = 84,263,407,679,104,876,544/9,212,021,992.20 - Step 6: Final answer
x = 9,147,113,169.12
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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.