Finding the Fourth Proportional to 412,237,306.36, 568,884,129.42 and 226,596,348.28
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Solution
The fourth proportional to 412,237,306.36, 568,884,129.42 and 226,596,348.28 is: 312,701,117.37
Step by Step Solution
- Step 1: Write the proportion equation
412,237,306.36 : 568,884,129.42 = 226,596,348.28 : x - Step 2: Convert to fraction form
412,237,306.36/568,884,129.42 = 226,596,348.28/x - Step 3: Cross multiply
412,237,306.36x = 568,884,129.42 × 226,596,348.28 - Step 4: Simplify right side
412,237,306.36x = 128,907,066,321,018,912 - Step 5: Solve for x
x = 128,907,066,321,018,912/412,237,306.36 - Step 6: Final answer
x = 312,701,117.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.