Finding the Fourth Proportional to 1,350,496,258.26, 2,025,706,596.03 and 430,427,807.70
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Solution
The fourth proportional to 1,350,496,258.26, 2,025,706,596.03 and 430,427,807.70 is: 645,629,666.75
Step by Step Solution
- Step 1: Write the proportion equation
1,350,496,258.26 : 2,025,706,596.03 = 430,427,807.70 : x - Step 2: Convert to fraction form
1,350,496,258.26/2,025,706,596.03 = 430,427,807.70/x - Step 3: Cross multiply
1,350,496,258.26x = 2,025,706,596.03 × 430,427,807.70 - Step 4: Simplify right side
1,350,496,258.26x = 871,920,449,172,622,336 - Step 5: Solve for x
x = 871,920,449,172,622,336/1,350,496,258.26 - Step 6: Final answer
x = 645,629,666.75
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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.