Finding the Fourth Proportional to 83,921,546,743.80, 125,882,320,115.70 and 83,921,546,743.80
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Solution
The fourth proportional to 83,921,546,743.80, 125,882,320,115.70 and 83,921,546,743.80 is: 125,882,320,115.70
Step by Step Solution
- Step 1: Write the proportion equation
83,921,546,743.80 : 125,882,320,115.70 = 83,921,546,743.80 : x - Step 2: Convert to fraction form
83,921,546,743.80/125,882,320,115.70 = 83,921,546,743.80/x - Step 3: Cross multiply
83,921,546,743.80x = 125,882,320,115.70 × 83,921,546,743.80 - Step 4: Simplify right side
83,921,546,743.80x = 10,564,239,011,807,712,247,808 - Step 5: Solve for x
x = 10,564,239,011,807,712,247,808/83,921,546,743.80 - Step 6: Final answer
x = 125,882,320,115.70
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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.