Finding the Fourth Proportional to 306,311,472.72, 422,865,927 and 236,540,224.08
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Solution
The fourth proportional to 306,311,472.72, 422,865,927 and 236,540,224.08 is: 326,546,048.83
Step by Step Solution
- Step 1: Write the proportion equation
306,311,472.72 : 422,865,927 = 236,540,224.08 : x - Step 2: Convert to fraction form
306,311,472.72/422,865,927 = 236,540,224.08/x - Step 3: Cross multiply
306,311,472.72x = 422,865,927 × 236,540,224.08 - Step 4: Simplify right side
306,311,472.72x = 100,024,801,128,376,928 - Step 5: Solve for x
x = 100,024,801,128,376,928/306,311,472.72 - Step 6: Final answer
x = 326,546,048.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.