Finding the Fourth Proportional to 6,899,328,029.20, 10,348,992,043.80 and 2,756,723,126.80
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Solution
The fourth proportional to 6,899,328,029.20, 10,348,992,043.80 and 2,756,723,126.80 is: 4,135,084,690.20
Step by Step Solution
- Step 1: Write the proportion equation
6,899,328,029.20 : 10,348,992,043.80 = 2,756,723,126.80 : x - Step 2: Convert to fraction form
6,899,328,029.20/10,348,992,043.80 = 2,756,723,126.80/x - Step 3: Cross multiply
6,899,328,029.20x = 10,348,992,043.80 × 2,756,723,126.80 - Step 4: Simplify right side
6,899,328,029.20x = 28,529,305,706,212,659,200 - Step 5: Solve for x
x = 28,529,305,706,212,659,200/6,899,328,029.20 - Step 6: Final answer
x = 4,135,084,690.20
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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.