Finding the Fourth Proportional to 307,468,137.20, 461,202,205.80 and 307,468,137.20
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Solution
The fourth proportional to 307,468,137.20, 461,202,205.80 and 307,468,137.20 is: 461,202,205.80
Step by Step Solution
- Step 1: Write the proportion equation
307,468,137.20 : 461,202,205.80 = 307,468,137.20 : x - Step 2: Convert to fraction form
307,468,137.20/461,202,205.80 = 307,468,137.20/x - Step 3: Cross multiply
307,468,137.20x = 461,202,205.80 × 307,468,137.20 - Step 4: Simplify right side
307,468,137.20x = 141,804,983,089,857,040 - Step 5: Solve for x
x = 141,804,983,089,857,040/307,468,137.20 - Step 6: Final answer
x = 461,202,205.80
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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.