Home / 892,015,804.08-1,230,485,912-828,886,321.28

Finding the Fourth Proportional to 892,015,804.08, 1,230,485,912 and 828,886,321.28

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Solution

The fourth proportional to 892,015,804.08, 1,230,485,912 and 828,886,321.28 is: 1,143,402,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,015,804.08 : 1,230,485,912 = 828,886,321.28 : x
  2. Step 2: Convert to fraction form
    892,015,804.08/1,230,485,912 = 828,886,321.28/x
  3. Step 3: Cross multiply
    892,015,804.08x = 1,230,485,912 × 828,886,321.28
  4. Step 4: Simplify right side
    892,015,804.08x = 1,019,932,940,984,545,792
  5. Step 5: Solve for x
    x = 1,019,932,940,984,545,792/892,015,804.08
  6. Step 6: Final answer
    x = 1,143,402,321.26

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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.