Home / 681,258,206.22-940,136,736.44-367,992,558.58

Finding the Fourth Proportional to 681,258,206.22, 940,136,736.44 and 367,992,558.58

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Solution

The fourth proportional to 681,258,206.22, 940,136,736.44 and 367,992,558.58 is: 507,829,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,206.22 : 940,136,736.44 = 367,992,558.58 : x
  2. Step 2: Convert to fraction form
    681,258,206.22/940,136,736.44 = 367,992,558.58/x
  3. Step 3: Cross multiply
    681,258,206.22x = 940,136,736.44 × 367,992,558.58
  4. Step 4: Simplify right side
    681,258,206.22x = 345,963,323,057,606,720
  5. Step 5: Solve for x
    x = 345,963,323,057,606,720/681,258,206.22
  6. Step 6: Final answer
    x = 507,829,953.31

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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.