Finding the Fourth Proportional to 201,620,809.10, 302,431,213.65 and 201,620,809.10
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Solution
The fourth proportional to 201,620,809.10, 302,431,213.65 and 201,620,809.10 is: 302,431,213.65
Step by Step Solution
- Step 1: Write the proportion equation
201,620,809.10 : 302,431,213.65 = 201,620,809.10 : x - Step 2: Convert to fraction form
201,620,809.10/302,431,213.65 = 201,620,809.10/x - Step 3: Cross multiply
201,620,809.10x = 302,431,213.65 × 201,620,809.10 - Step 4: Simplify right side
201,620,809.10x = 60,976,425,993,207,960 - Step 5: Solve for x
x = 60,976,425,993,207,960/201,620,809.10 - Step 6: Final answer
x = 302,431,213.65
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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.