Home / 39,751,725,792.80-59,576,948,266.80-21,128,143,584.80

Finding the Fourth Proportional to 39,751,725,792.80, 59,576,948,266.80 and 21,128,143,584.80

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Solution

The fourth proportional to 39,751,725,792.80, 59,576,948,266.80 and 21,128,143,584.80 is: 31,665,299,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751,725,792.80 : 59,576,948,266.80 = 21,128,143,584.80 : x
  2. Step 2: Convert to fraction form
    39,751,725,792.80/59,576,948,266.80 = 21,128,143,584.80/x
  3. Step 3: Cross multiply
    39,751,725,792.80x = 59,576,948,266.80 × 21,128,143,584.80
  4. Step 4: Simplify right side
    39,751,725,792.80x = 1,258,750,317,325,151,895,552
  5. Step 5: Solve for x
    x = 1,258,750,317,325,151,895,552/39,751,725,792.80
  6. Step 6: Final answer
    x = 31,665,299,863.61

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1.5x scale

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.