Finding the Fourth Proportional to 225,701,615.70, 338,552,423.55 and 225,701,615.70
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Solution
The fourth proportional to 225,701,615.70, 338,552,423.55 and 225,701,615.70 is: 338,552,423.55
Step by Step Solution
- Step 1: Write the proportion equation
225,701,615.70 : 338,552,423.55 = 225,701,615.70 : x - Step 2: Convert to fraction form
225,701,615.70/338,552,423.55 = 225,701,615.70/x - Step 3: Cross multiply
225,701,615.70x = 338,552,423.55 × 225,701,615.70 - Step 4: Simplify right side
225,701,615.70x = 76,411,828,994,385,728 - Step 5: Solve for x
x = 76,411,828,994,385,728/225,701,615.70 - Step 6: Final answer
x = 338,552,423.55
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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.