Finding the Fourth Proportional to 193,497,658.40, 271,661,996.80 and 193,497,658.40
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Solution
The fourth proportional to 193,497,658.40, 271,661,996.80 and 193,497,658.40 is: 271,661,996.80
Step by Step Solution
- Step 1: Write the proportion equation
193,497,658.40 : 271,661,996.80 = 193,497,658.40 : x - Step 2: Convert to fraction form
193,497,658.40/271,661,996.80 = 193,497,658.40/x - Step 3: Cross multiply
193,497,658.40x = 271,661,996.80 × 193,497,658.40 - Step 4: Simplify right side
193,497,658.40x = 52,565,960,257,068,296 - Step 5: Solve for x
x = 52,565,960,257,068,296/193,497,658.40 - Step 6: Final answer
x = 271,661,996.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.