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Finding the Fourth Proportional to 691,793,274.49, 954,788,874.96 and 424,018,058.29

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Solution

The fourth proportional to 691,793,274.49, 954,788,874.96 and 424,018,058.29 is: 585,214,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,793,274.49 : 954,788,874.96 = 424,018,058.29 : x
  2. Step 2: Convert to fraction form
    691,793,274.49/954,788,874.96 = 424,018,058.29/x
  3. Step 3: Cross multiply
    691,793,274.49x = 954,788,874.96 × 424,018,058.29
  4. Step 4: Simplify right side
    691,793,274.49x = 404,847,724,830,538,816
  5. Step 5: Solve for x
    x = 404,847,724,830,538,816/691,793,274.49
  6. Step 6: Final answer
    x = 585,214,889.71

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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.