Finding the Fourth Proportional to 3,450,870,112.10, 5,176,305,168.15 and 2,899,872,083.30
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Solution
The fourth proportional to 3,450,870,112.10, 5,176,305,168.15 and 2,899,872,083.30 is: 4,349,808,124.95
Step by Step Solution
- Step 1: Write the proportion equation
3,450,870,112.10 : 5,176,305,168.15 = 2,899,872,083.30 : x - Step 2: Convert to fraction form
3,450,870,112.10/5,176,305,168.15 = 2,899,872,083.30/x - Step 3: Cross multiply
3,450,870,112.10x = 5,176,305,168.15 × 2,899,872,083.30 - Step 4: Simplify right side
3,450,870,112.10x = 15,010,622,851,759,697,920 - Step 5: Solve for x
x = 15,010,622,851,759,697,920/3,450,870,112.10 - Step 6: Final answer
x = 4,349,808,124.95
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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.