Finding the Fourth Proportional to 4,179,863,918.44, 5,768,213,149 and 2,300,269,202.26
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Solution
The fourth proportional to 4,179,863,918.44, 5,768,213,149 and 2,300,269,202.26 is: 3,174,372,017.28
Step by Step Solution
- Step 1: Write the proportion equation
4,179,863,918.44 : 5,768,213,149 = 2,300,269,202.26 : x - Step 2: Convert to fraction form
4,179,863,918.44/5,768,213,149 = 2,300,269,202.26/x - Step 3: Cross multiply
4,179,863,918.44x = 5,768,213,149 × 2,300,269,202.26 - Step 4: Simplify right side
4,179,863,918.44x = 13,268,443,058,715,873,280 - Step 5: Solve for x
x = 13,268,443,058,715,873,280/4,179,863,918.44 - Step 6: Final answer
x = 3,174,372,017.28
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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.