Finding the Fourth Proportional to 201,675,288.45, 302,512,932.68 and 197,196,312.45
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Solution
The fourth proportional to 201,675,288.45, 302,512,932.68 and 197,196,312.45 is: 295,794,468.68
Step by Step Solution
- Step 1: Write the proportion equation
201,675,288.45 : 302,512,932.68 = 197,196,312.45 : x - Step 2: Convert to fraction form
201,675,288.45/302,512,932.68 = 197,196,312.45/x - Step 3: Cross multiply
201,675,288.45x = 302,512,932.68 × 197,196,312.45 - Step 4: Simplify right side
201,675,288.45x = 59,654,434,791,945,112 - Step 5: Solve for x
x = 59,654,434,791,945,112/201,675,288.45 - Step 6: Final answer
x = 295,794,468.68
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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.