Finding the Fourth Proportional to 8,091,912,224.70, 12,137,868,337.05 and 2,275,821,920.70
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Solution
The fourth proportional to 8,091,912,224.70, 12,137,868,337.05 and 2,275,821,920.70 is: 3,413,732,881.05
Step by Step Solution
- Step 1: Write the proportion equation
8,091,912,224.70 : 12,137,868,337.05 = 2,275,821,920.70 : x - Step 2: Convert to fraction form
8,091,912,224.70/12,137,868,337.05 = 2,275,821,920.70/x - Step 3: Cross multiply
8,091,912,224.70x = 12,137,868,337.05 × 2,275,821,920.70 - Step 4: Simplify right side
8,091,912,224.70x = 27,623,626,832,028,839,936 - Step 5: Solve for x
x = 27,623,626,832,028,839,936/8,091,912,224.70 - Step 6: Final answer
x = 3,413,732,881.05
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Double scale
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Similar ratio
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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.