Finding the Fourth Proportional to 7,874,022,783.35, 11,811,034,175.03 and 7,275,407,640.95
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Solution
The fourth proportional to 7,874,022,783.35, 11,811,034,175.03 and 7,275,407,640.95 is: 10,913,111,461.43
Step by Step Solution
- Step 1: Write the proportion equation
7,874,022,783.35 : 11,811,034,175.03 = 7,275,407,640.95 : x - Step 2: Convert to fraction form
7,874,022,783.35/11,811,034,175.03 = 7,275,407,640.95/x - Step 3: Cross multiply
7,874,022,783.35x = 11,811,034,175.03 × 7,275,407,640.95 - Step 4: Simplify right side
7,874,022,783.35x = 85,930,088,284,498,460,672 - Step 5: Solve for x
x = 85,930,088,284,498,460,672/7,874,022,783.35 - Step 6: Final answer
x = 10,913,111,461.43
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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.