Finding the Fourth Proportional to 293,560,747.40, 440,341,121.10 and 196,814,865.80
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Solution
The fourth proportional to 293,560,747.40, 440,341,121.10 and 196,814,865.80 is: 295,222,298.70
Step by Step Solution
- Step 1: Write the proportion equation
293,560,747.40 : 440,341,121.10 = 196,814,865.80 : x - Step 2: Convert to fraction form
293,560,747.40/440,341,121.10 = 196,814,865.80/x - Step 3: Cross multiply
293,560,747.40x = 440,341,121.10 × 196,814,865.80 - Step 4: Simplify right side
293,560,747.40x = 86,665,678,655,518,064 - Step 5: Solve for x
x = 86,665,678,655,518,064/293,560,747.40 - Step 6: Final answer
x = 295,222,298.70
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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.