Finding the Fourth Proportional to 954,084,810.33, 1,431,159,102.09 and 263,934,270.09
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Solution
The fourth proportional to 954,084,810.33, 1,431,159,102.09 and 263,934,270.09 is: 395,910,226.12
Step by Step Solution
- Step 1: Write the proportion equation
954,084,810.33 : 1,431,159,102.09 = 263,934,270.09 : x - Step 2: Convert to fraction form
954,084,810.33/1,431,159,102.09 = 263,934,270.09/x - Step 3: Cross multiply
954,084,810.33x = 1,431,159,102.09 × 263,934,270.09 - Step 4: Simplify right side
954,084,810.33x = 377,731,932,992,783,936 - Step 5: Solve for x
x = 377,731,932,992,783,936/954,084,810.33 - Step 6: Final answer
x = 395,910,226.12
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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.