Home / 819,616,732.50-1,131,071,091.10-443,273,317.68

Finding the Fourth Proportional to 819,616,732.50, 1,131,071,091.10 and 443,273,317.68

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Solution

The fourth proportional to 819,616,732.50, 1,131,071,091.10 and 443,273,317.68 is: 611,717,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,616,732.50 : 1,131,071,091.10 = 443,273,317.68 : x
  2. Step 2: Convert to fraction form
    819,616,732.50/1,131,071,091.10 = 443,273,317.68/x
  3. Step 3: Cross multiply
    819,616,732.50x = 1,131,071,091.10 × 443,273,317.68
  4. Step 4: Simplify right side
    819,616,732.50x = 501,373,635,083,834,496
  5. Step 5: Solve for x
    x = 501,373,635,083,834,496/819,616,732.50
  6. Step 6: Final answer
    x = 611,717,178.53

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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.