Finding the Fourth Proportional to 574,296,022.40, 861,444,033.60 and 210,743,139.20
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Solution
The fourth proportional to 574,296,022.40, 861,444,033.60 and 210,743,139.20 is: 316,114,708.80
Step by Step Solution
- Step 1: Write the proportion equation
574,296,022.40 : 861,444,033.60 = 210,743,139.20 : x - Step 2: Convert to fraction form
574,296,022.40/861,444,033.60 = 210,743,139.20/x - Step 3: Cross multiply
574,296,022.40x = 861,444,033.60 × 210,743,139.20 - Step 4: Simplify right side
574,296,022.40x = 181,543,419,885,974,272 - Step 5: Solve for x
x = 181,543,419,885,974,272/574,296,022.40 - Step 6: Final answer
x = 316,114,708.80
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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.