Finding the Fourth Proportional to 201,787,278.40, 302,202,620.70 and 201,787,278.40
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Solution
The fourth proportional to 201,787,278.40, 302,202,620.70 and 201,787,278.40 is: 302,202,620.70
Step by Step Solution
- Step 1: Write the proportion equation
201,787,278.40 : 302,202,620.70 = 201,787,278.40 : x - Step 2: Convert to fraction form
201,787,278.40/302,202,620.70 = 201,787,278.40/x - Step 3: Cross multiply
201,787,278.40x = 302,202,620.70 × 201,787,278.40 - Step 4: Simplify right side
201,787,278.40x = 60,980,644,356,400,504 - Step 5: Solve for x
x = 60,980,644,356,400,504/201,787,278.40 - Step 6: Final answer
x = 302,202,620.70
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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.