Finding the Fourth Proportional to 488,012,027.28, 731,507,183.32 and 204,233,801.80
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Solution
The fourth proportional to 488,012,027.28, 731,507,183.32 and 204,233,801.80 is: 306,136,907.99
Step by Step Solution
- Step 1: Write the proportion equation
488,012,027.28 : 731,507,183.32 = 204,233,801.80 : x - Step 2: Convert to fraction form
488,012,027.28/731,507,183.32 = 204,233,801.80/x - Step 3: Cross multiply
488,012,027.28x = 731,507,183.32 × 204,233,801.80 - Step 4: Simplify right side
488,012,027.28x = 149,398,493,093,453,152 - Step 5: Solve for x
x = 149,398,493,093,453,152/488,012,027.28 - Step 6: Final answer
x = 306,136,907.99
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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.