Home / 681,258,205.83-940,136,735.92-367,992,558.20

Finding the Fourth Proportional to 681,258,205.83, 940,136,735.92 and 367,992,558.20

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Solution

The fourth proportional to 681,258,205.83, 940,136,735.92 and 367,992,558.20 is: 507,829,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,205.83 : 940,136,735.92 = 367,992,558.20 : x
  2. Step 2: Convert to fraction form
    681,258,205.83/940,136,735.92 = 367,992,558.20/x
  3. Step 3: Cross multiply
    681,258,205.83x = 940,136,735.92 × 367,992,558.20
  4. Step 4: Simplify right side
    681,258,205.83x = 345,963,322,508,998,592
  5. Step 5: Solve for x
    x = 345,963,322,508,998,592/681,258,205.83
  6. Step 6: Final answer
    x = 507,829,952.80

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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.