Home / 681,258,345.32-940,136,928.48-367,992,697.73

Finding the Fourth Proportional to 681,258,345.32, 940,136,928.48 and 367,992,697.73

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Solution

The fourth proportional to 681,258,345.32, 940,136,928.48 and 367,992,697.73 is: 507,830,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,345.32 : 940,136,928.48 = 367,992,697.73 : x
  2. Step 2: Convert to fraction form
    681,258,345.32/940,136,928.48 = 367,992,697.73/x
  3. Step 3: Cross multiply
    681,258,345.32x = 940,136,928.48 × 367,992,697.73
  4. Step 4: Simplify right side
    681,258,345.32x = 345,963,524,542,250,624
  5. Step 5: Solve for x
    x = 345,963,524,542,250,624/681,258,345.32
  6. Step 6: Final answer
    x = 507,830,145.37

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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.