Finding the Fourth Proportional to 431,338,304.94, 595,273,536.17 and 237,996,074.96
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Solution
The fourth proportional to 431,338,304.94, 595,273,536.17 and 237,996,074.96 is: 328,449,301.89
Step by Step Solution
- Step 1: Write the proportion equation
431,338,304.94 : 595,273,536.17 = 237,996,074.96 : x - Step 2: Convert to fraction form
431,338,304.94/595,273,536.17 = 237,996,074.96/x - Step 3: Cross multiply
431,338,304.94x = 595,273,536.17 × 237,996,074.96 - Step 4: Simplify right side
431,338,304.94x = 141,672,765,135,646,784 - Step 5: Solve for x
x = 141,672,765,135,646,784/431,338,304.94 - Step 6: Final answer
x = 328,449,301.89
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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.