Finding the Fourth Proportional to 481,347,843.84, 664,883,125.56 and 398,052,427.68
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Solution
The fourth proportional to 481,347,843.84, 664,883,125.56 and 398,052,427.68 is: 549,827,625.99
Step by Step Solution
- Step 1: Write the proportion equation
481,347,843.84 : 664,883,125.56 = 398,052,427.68 : x - Step 2: Convert to fraction form
481,347,843.84/664,883,125.56 = 398,052,427.68/x - Step 3: Cross multiply
481,347,843.84x = 664,883,125.56 × 398,052,427.68 - Step 4: Simplify right side
481,347,843.84x = 264,658,342,252,624,256 - Step 5: Solve for x
x = 264,658,342,252,624,256/481,347,843.84 - Step 6: Final answer
x = 549,827,625.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.