Finding the Fourth Proportional to 217,348,024,891.47, 326,170,959,616.47 and 75,857,446,522.26
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Solution
The fourth proportional to 217,348,024,891.47, 326,170,959,616.47 and 75,857,446,522.26 is: 113,838,145,704.69
Step by Step Solution
- Step 1: Write the proportion equation
217,348,024,891.47 : 326,170,959,616.47 = 75,857,446,522.26 : x - Step 2: Convert to fraction form
217,348,024,891.47/326,170,959,616.47 = 75,857,446,522.26/x - Step 3: Cross multiply
217,348,024,891.47x = 326,170,959,616.47 × 75,857,446,522.26 - Step 4: Simplify right side
217,348,024,891.47x = 24,742,496,126,220,596,412,416 - Step 5: Solve for x
x = 24,742,496,126,220,596,412,416/217,348,024,891.47 - Step 6: Final answer
x = 113,838,145,704.69
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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.