Finding the Fourth Proportional to 1,750,382,128.53, 2,415,534,615.01 and 946,609,625.95
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Solution
The fourth proportional to 1,750,382,128.53, 2,415,534,615.01 and 946,609,625.95 is: 1,306,325,219.57
Step by Step Solution
- Step 1: Write the proportion equation
1,750,382,128.53 : 2,415,534,615.01 = 946,609,625.95 : x - Step 2: Convert to fraction form
1,750,382,128.53/2,415,534,615.01 = 946,609,625.95/x - Step 3: Cross multiply
1,750,382,128.53x = 2,415,534,615.01 × 946,609,625.95 - Step 4: Simplify right side
1,750,382,128.53x = 2,286,568,318,383,893,760 - Step 5: Solve for x
x = 2,286,568,318,383,893,760/1,750,382,128.53 - Step 6: Final answer
x = 1,306,325,219.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.