Finding the Fourth Proportional to 6,899,328,026.20, 10,348,992,039.30 and 2,756,723,123.80
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Solution
The fourth proportional to 6,899,328,026.20, 10,348,992,039.30 and 2,756,723,123.80 is: 4,135,084,685.70
Step by Step Solution
- Step 1: Write the proportion equation
6,899,328,026.20 : 10,348,992,039.30 = 2,756,723,123.80 : x - Step 2: Convert to fraction form
6,899,328,026.20/10,348,992,039.30 = 2,756,723,123.80/x - Step 3: Cross multiply
6,899,328,026.20x = 10,348,992,039.30 × 2,756,723,123.80 - Step 4: Simplify right side
6,899,328,026.20x = 28,529,305,662,760,427,520 - Step 5: Solve for x
x = 28,529,305,662,760,427,520/6,899,328,026.20 - Step 6: Final answer
x = 4,135,084,685.70
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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.