Finding the Fourth Proportional to 14,155,135,645.11, 19,534,556,357.55 and 7,725,307,686.63
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Solution
The fourth proportional to 14,155,135,645.11, 19,534,556,357.55 and 7,725,307,686.63 is: 10,661,180,660.32
Step by Step Solution
- Step 1: Write the proportion equation
14,155,135,645.11 : 19,534,556,357.55 = 7,725,307,686.63 : x - Step 2: Convert to fraction form
14,155,135,645.11/19,534,556,357.55 = 7,725,307,686.63/x - Step 3: Cross multiply
14,155,135,645.11x = 19,534,556,357.55 × 7,725,307,686.63 - Step 4: Simplify right side
14,155,135,645.11x = 150,910,458,383,887,958,016 - Step 5: Solve for x
x = 150,910,458,383,887,958,016/14,155,135,645.11 - Step 6: Final answer
x = 10,661,180,660.32
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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.