Finding the Fourth Proportional to 201,676,886.20, 302,515,329.30 and 197,197,910.20
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Solution
The fourth proportional to 201,676,886.20, 302,515,329.30 and 197,197,910.20 is: 295,796,865.30
Step by Step Solution
- Step 1: Write the proportion equation
201,676,886.20 : 302,515,329.30 = 197,197,910.20 : x - Step 2: Convert to fraction form
201,676,886.20/302,515,329.30 = 197,197,910.20/x - Step 3: Cross multiply
201,676,886.20x = 302,515,329.30 × 197,197,910.20 - Step 4: Simplify right side
201,676,886.20x = 59,655,390,741,424,824 - Step 5: Solve for x
x = 59,655,390,741,424,824/201,676,886.20 - Step 6: Final answer
x = 295,796,865.30
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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.