Finding the Fourth Proportional to 449,213,096.88, 673,818,741.68 and 421,877,067.68
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Solution
The fourth proportional to 449,213,096.88, 673,818,741.68 and 421,877,067.68 is: 632,814,752.87
Step by Step Solution
- Step 1: Write the proportion equation
449,213,096.88 : 673,818,741.68 = 421,877,067.68 : x - Step 2: Convert to fraction form
449,213,096.88/673,818,741.68 = 421,877,067.68/x - Step 3: Cross multiply
449,213,096.88x = 673,818,741.68 × 421,877,067.68 - Step 4: Simplify right side
449,213,096.88x = 284,268,674,887,785,792 - Step 5: Solve for x
x = 284,268,674,887,785,792/449,213,096.88 - Step 6: Final answer
x = 632,814,752.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.