Finding the Fourth Proportional to 3,945,591,390.44, 5,444,872,725.84 and 2,137,058,266.10
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Solution
The fourth proportional to 3,945,591,390.44, 5,444,872,725.84 and 2,137,058,266.10 is: 2,949,116,904.20
Step by Step Solution
- Step 1: Write the proportion equation
3,945,591,390.44 : 5,444,872,725.84 = 2,137,058,266.10 : x - Step 2: Convert to fraction form
3,945,591,390.44/5,444,872,725.84 = 2,137,058,266.10/x - Step 3: Cross multiply
3,945,591,390.44x = 5,444,872,725.84 × 2,137,058,266.10 - Step 4: Simplify right side
3,945,591,390.44x = 11,636,010,266,618,810,368 - Step 5: Solve for x
x = 11,636,010,266,618,810,368/3,945,591,390.44 - Step 6: Final answer
x = 2,949,116,904.20
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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.