Finding the Fourth Proportional to 3,168,757,291.51, 4,372,665,624.39 and 1,758,950,213.05
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Solution
The fourth proportional to 3,168,757,291.51, 4,372,665,624.39 and 1,758,950,213.05 is: 2,427,229,485.90
Step by Step Solution
- Step 1: Write the proportion equation
3,168,757,291.51 : 4,372,665,624.39 = 1,758,950,213.05 : x - Step 2: Convert to fraction form
3,168,757,291.51/4,372,665,624.39 = 1,758,950,213.05/x - Step 3: Cross multiply
3,168,757,291.51x = 4,372,665,624.39 × 1,758,950,213.05 - Step 4: Simplify right side
3,168,757,291.51x = 7,691,301,131,617,202,176 - Step 5: Solve for x
x = 7,691,301,131,617,202,176/3,168,757,291.51 - Step 6: Final answer
x = 2,427,229,485.90
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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.