Home / 691,216,996.97-1,036,826,493.35-282,273,147.47

Finding the Fourth Proportional to 691,216,996.97, 1,036,826,493.35 and 282,273,147.47

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Solution

The fourth proportional to 691,216,996.97, 1,036,826,493.35 and 282,273,147.47 is: 423,410,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,216,996.97 : 1,036,826,493.35 = 282,273,147.47 : x
  2. Step 2: Convert to fraction form
    691,216,996.97/1,036,826,493.35 = 282,273,147.47/x
  3. Step 3: Cross multiply
    691,216,996.97x = 1,036,826,493.35 × 282,273,147.47
  4. Step 4: Simplify right side
    691,216,996.97x = 292,668,277,658,187,584
  5. Step 5: Solve for x
    x = 292,668,277,658,187,584/691,216,996.97
  6. Step 6: Final answer
    x = 423,410,128.72

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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.