Finding the Fourth Proportional to 2,125,379,853.36, 3,188,990,550.96 and 1,141,658,680.32
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Solution
The fourth proportional to 2,125,379,853.36, 3,188,990,550.96 and 1,141,658,680.32 is: 1,712,982,617.30
Step by Step Solution
- Step 1: Write the proportion equation
2,125,379,853.36 : 3,188,990,550.96 = 1,141,658,680.32 : x - Step 2: Convert to fraction form
2,125,379,853.36/3,188,990,550.96 = 1,141,658,680.32/x - Step 3: Cross multiply
2,125,379,853.36x = 3,188,990,550.96 × 1,141,658,680.32 - Step 4: Simplify right side
2,125,379,853.36x = 3,640,738,743,961,943,040 - Step 5: Solve for x
x = 3,640,738,743,961,943,040/2,125,379,853.36 - Step 6: Final answer
x = 1,712,982,617.30
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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.