Finding the Fourth Proportional to 2,539,205,405.62, 3,807,299,243.09 and 965,427,912.38
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Solution
The fourth proportional to 2,539,205,405.62, 3,807,299,243.09 and 965,427,912.38 is: 1,447,568,184.89
Step by Step Solution
- Step 1: Write the proportion equation
2,539,205,405.62 : 3,807,299,243.09 = 965,427,912.38 : x - Step 2: Convert to fraction form
2,539,205,405.62/3,807,299,243.09 = 965,427,912.38/x - Step 3: Cross multiply
2,539,205,405.62x = 3,807,299,243.09 × 965,427,912.38 - Step 4: Simplify right side
2,539,205,405.62x = 3,675,672,960,074,265,088 - Step 5: Solve for x
x = 3,675,672,960,074,265,088/2,539,205,405.62 - Step 6: Final answer
x = 1,447,568,184.89
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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.