Home / 681,258,205.22-940,136,735.06-367,992,557.58

Finding the Fourth Proportional to 681,258,205.22, 940,136,735.06 and 367,992,557.58

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Solution

The fourth proportional to 681,258,205.22, 940,136,735.06 and 367,992,557.58 is: 507,829,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,205.22 : 940,136,735.06 = 367,992,557.58 : x
  2. Step 2: Convert to fraction form
    681,258,205.22/940,136,735.06 = 367,992,557.58/x
  3. Step 3: Cross multiply
    681,258,205.22x = 940,136,735.06 × 367,992,557.58
  4. Step 4: Simplify right side
    681,258,205.22x = 345,963,321,607,800,256
  5. Step 5: Solve for x
    x = 345,963,321,607,800,256/681,258,205.22
  6. Step 6: Final answer
    x = 507,829,951.93

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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.