Finding the Fourth Proportional to 201,620,507.10, 302,430,760.65 and 201,620,507.10
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Solution
The fourth proportional to 201,620,507.10, 302,430,760.65 and 201,620,507.10 is: 302,430,760.65
Step by Step Solution
- Step 1: Write the proportion equation
201,620,507.10 : 302,430,760.65 = 201,620,507.10 : x - Step 2: Convert to fraction form
201,620,507.10/302,430,760.65 = 201,620,507.10/x - Step 3: Cross multiply
201,620,507.10x = 302,430,760.65 × 201,620,507.10 - Step 4: Simplify right side
201,620,507.10x = 60,976,243,324,891,720 - Step 5: Solve for x
x = 60,976,243,324,891,720/201,620,507.10 - Step 6: Final answer
x = 302,430,760.65
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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.