Home / 1,195,078,198.34-1,792,620,660.54-458,373,924.73

Finding the Fourth Proportional to 1,195,078,198.34, 1,792,620,660.54 and 458,373,924.73

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Solution

The fourth proportional to 1,195,078,198.34, 1,792,620,660.54 and 458,373,924.73 is: 687,562,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,078,198.34 : 1,792,620,660.54 = 458,373,924.73 : x
  2. Step 2: Convert to fraction form
    1,195,078,198.34/1,792,620,660.54 = 458,373,924.73/x
  3. Step 3: Cross multiply
    1,195,078,198.34x = 1,792,620,660.54 × 458,373,924.73
  4. Step 4: Simplify right side
    1,195,078,198.34x = 821,690,567,722,938,368
  5. Step 5: Solve for x
    x = 821,690,567,722,938,368/1,195,078,198.34
  6. Step 6: Final answer
    x = 687,562,176.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.