Home / 6,640,044,257.31-9,163,238,828.70-3,629,295,215.39

Finding the Fourth Proportional to 6,640,044,257.31, 9,163,238,828.70 and 3,629,295,215.39

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Solution

The fourth proportional to 6,640,044,257.31, 9,163,238,828.70 and 3,629,295,215.39 is: 5,008,415,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,044,257.31 : 9,163,238,828.70 = 3,629,295,215.39 : x
  2. Step 2: Convert to fraction form
    6,640,044,257.31/9,163,238,828.70 = 3,629,295,215.39/x
  3. Step 3: Cross multiply
    6,640,044,257.31x = 9,163,238,828.70 × 3,629,295,215.39
  4. Step 4: Simplify right side
    6,640,044,257.31x = 33,256,098,838,430,965,760
  5. Step 5: Solve for x
    x = 33,256,098,838,430,965,760/6,640,044,257.31
  6. Step 6: Final answer
    x = 5,008,415,237.87

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Double scale
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1.5x scale

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.