Finding the Fourth Proportional to 7,625,801,568.39, 10,523,337,757.12 and 4,192,474,885.62
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Solution
The fourth proportional to 7,625,801,568.39, 10,523,337,757.12 and 4,192,474,885.62 is: 5,785,467,778.56
Step by Step Solution
- Step 1: Write the proportion equation
7,625,801,568.39 : 10,523,337,757.12 = 4,192,474,885.62 : x - Step 2: Convert to fraction form
7,625,801,568.39/10,523,337,757.12 = 4,192,474,885.62/x - Step 3: Cross multiply
7,625,801,568.39x = 10,523,337,757.12 × 4,192,474,885.62 - Step 4: Simplify right side
7,625,801,568.39x = 44,118,829,259,622,301,696 - Step 5: Solve for x
x = 44,118,829,259,622,301,696/7,625,801,568.39 - Step 6: Final answer
x = 5,785,467,778.56
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Double scale
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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.