Finding the Fourth Proportional to 294,434,851.67, 406,336,074.14 and 168,986,044.63
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Solution
The fourth proportional to 294,434,851.67, 406,336,074.14 and 168,986,044.63 is: 233,209,912.38
Step by Step Solution
- Step 1: Write the proportion equation
294,434,851.67 : 406,336,074.14 = 168,986,044.63 : x - Step 2: Convert to fraction form
294,434,851.67/406,336,074.14 = 168,986,044.63/x - Step 3: Cross multiply
294,434,851.67x = 406,336,074.14 × 168,986,044.63 - Step 4: Simplify right side
294,434,851.67x = 68,665,125,959,401,024 - Step 5: Solve for x
x = 68,665,125,959,401,024/294,434,851.67 - Step 6: Final answer
x = 233,209,912.38
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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.