Finding the Fourth Proportional to 511,392,163.34, 767,102,537.07 and 166,345,791.72
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Solution
The fourth proportional to 511,392,163.34, 767,102,537.07 and 166,345,791.72 is: 249,523,336.51
Step by Step Solution
- Step 1: Write the proportion equation
511,392,163.34 : 767,102,537.07 = 166,345,791.72 : x - Step 2: Convert to fraction form
511,392,163.34/767,102,537.07 = 166,345,791.72/x - Step 3: Cross multiply
511,392,163.34x = 767,102,537.07 × 166,345,791.72 - Step 4: Simplify right side
511,392,163.34x = 127,604,278,859,329,808 - Step 5: Solve for x
x = 127,604,278,859,329,808/511,392,163.34 - Step 6: Final answer
x = 249,523,336.51
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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.