Finding the Fourth Proportional to 299,534,480.60, 449,301,720.90 and 146,278,851.80
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Solution
The fourth proportional to 299,534,480.60, 449,301,720.90 and 146,278,851.80 is: 219,418,277.70
Step by Step Solution
- Step 1: Write the proportion equation
299,534,480.60 : 449,301,720.90 = 146,278,851.80 : x - Step 2: Convert to fraction form
299,534,480.60/449,301,720.90 = 146,278,851.80/x - Step 3: Cross multiply
299,534,480.60x = 449,301,720.90 × 146,278,851.80 - Step 4: Simplify right side
299,534,480.60x = 65,723,339,845,016,064 - Step 5: Solve for x
x = 65,723,339,845,016,064/299,534,480.60 - Step 6: Final answer
x = 219,418,277.70
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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.