Home / 1,199,856,469.73-1,655,804,358.81-671,229,283.68

Finding the Fourth Proportional to 1,199,856,469.73, 1,655,804,358.81 and 671,229,283.68

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Solution

The fourth proportional to 1,199,856,469.73, 1,655,804,358.81 and 671,229,283.68 is: 926,297,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,856,469.73 : 1,655,804,358.81 = 671,229,283.68 : x
  2. Step 2: Convert to fraction form
    1,199,856,469.73/1,655,804,358.81 = 671,229,283.68/x
  3. Step 3: Cross multiply
    1,199,856,469.73x = 1,655,804,358.81 × 671,229,283.68
  4. Step 4: Simplify right side
    1,199,856,469.73x = 1,111,424,373,678,257,920
  5. Step 5: Solve for x
    x = 1,111,424,373,678,257,920/1,199,856,469.73
  6. Step 6: Final answer
    x = 926,297,771.21

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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.