Finding the Fourth Proportional to 1,350,496,250.26, 2,025,706,584.03 and 430,427,799.70
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Solution
The fourth proportional to 1,350,496,250.26, 2,025,706,584.03 and 430,427,799.70 is: 645,629,654.75
Step by Step Solution
- Step 1: Write the proportion equation
1,350,496,250.26 : 2,025,706,584.03 = 430,427,799.70 : x - Step 2: Convert to fraction form
1,350,496,250.26/2,025,706,584.03 = 430,427,799.70/x - Step 3: Cross multiply
1,350,496,250.26x = 2,025,706,584.03 × 430,427,799.70 - Step 4: Simplify right side
1,350,496,250.26x = 871,920,427,801,836,032 - Step 5: Solve for x
x = 871,920,427,801,836,032/1,350,496,250.26 - Step 6: Final answer
x = 645,629,654.75
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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.