Finding the Fourth Proportional to 201,204,660.90, 301,806,991.35 and 201,204,660.90
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Solution
The fourth proportional to 201,204,660.90, 301,806,991.35 and 201,204,660.90 is: 301,806,991.35
Step by Step Solution
- Step 1: Write the proportion equation
201,204,660.90 : 301,806,991.35 = 201,204,660.90 : x - Step 2: Convert to fraction form
201,204,660.90/301,806,991.35 = 201,204,660.90/x - Step 3: Cross multiply
201,204,660.90x = 301,806,991.35 × 201,204,660.90 - Step 4: Simplify right side
201,204,660.90x = 60,724,973,351,825,992 - Step 5: Solve for x
x = 60,724,973,351,825,992/201,204,660.90 - Step 6: Final answer
x = 301,806,991.35
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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.