Finding the Fourth Proportional to 293,560,687.40, 440,341,031.10 and 196,814,805.80
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Solution
The fourth proportional to 293,560,687.40, 440,341,031.10 and 196,814,805.80 is: 295,222,208.70
Step by Step Solution
- Step 1: Write the proportion equation
293,560,687.40 : 440,341,031.10 = 196,814,805.80 : x - Step 2: Convert to fraction form
293,560,687.40/440,341,031.10 = 196,814,805.80/x - Step 3: Cross multiply
293,560,687.40x = 440,341,031.10 × 196,814,805.80 - Step 4: Simplify right side
293,560,687.40x = 86,665,634,521,718,272 - Step 5: Solve for x
x = 86,665,634,521,718,272/293,560,687.40 - Step 6: Final answer
x = 295,222,208.70
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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.