Finding the Fourth Proportional to 3,785,536,385.40, 5,673,228,904.94 and 2,946,192,632.68
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Solution
The fourth proportional to 3,785,536,385.40, 5,673,228,904.94 and 2,946,192,632.68 is: 4,415,338,673.72
Step by Step Solution
- Step 1: Write the proportion equation
3,785,536,385.40 : 5,673,228,904.94 = 2,946,192,632.68 : x - Step 2: Convert to fraction form
3,785,536,385.40/5,673,228,904.94 = 2,946,192,632.68/x - Step 3: Cross multiply
3,785,536,385.40x = 5,673,228,904.94 × 2,946,192,632.68 - Step 4: Simplify right side
3,785,536,385.40x = 16,714,425,203,241,449,472 - Step 5: Solve for x
x = 16,714,425,203,241,449,472/3,785,536,385.40 - Step 6: Final answer
x = 4,415,338,673.72
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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.