Finding the Fourth Proportional to 125,882,320,121.70, 188,823,480,182.55 and 125,882,320,121.70
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Solution
The fourth proportional to 125,882,320,121.70, 188,823,480,182.55 and 125,882,320,121.70 is: 188,823,480,182.55
Step by Step Solution
- Step 1: Write the proportion equation
125,882,320,121.70 : 188,823,480,182.55 = 125,882,320,121.70 : x - Step 2: Convert to fraction form
125,882,320,121.70/188,823,480,182.55 = 125,882,320,121.70/x - Step 3: Cross multiply
125,882,320,121.70x = 188,823,480,182.55 × 125,882,320,121.70 - Step 4: Simplify right side
125,882,320,121.70x = 23,769,537,778,833,231,446,016 - Step 5: Solve for x
x = 23,769,537,778,833,231,446,016/125,882,320,121.70 - Step 6: Final answer
x = 188,823,480,182.55
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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.