Home / 354,739,974.39-489,470,157.50-198,082,977.39

Finding the Fourth Proportional to 354,739,974.39, 489,470,157.50 and 198,082,977.39

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Solution

The fourth proportional to 354,739,974.39, 489,470,157.50 and 198,082,977.39 is: 273,314,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,739,974.39 : 489,470,157.50 = 198,082,977.39 : x
  2. Step 2: Convert to fraction form
    354,739,974.39/489,470,157.50 = 198,082,977.39/x
  3. Step 3: Cross multiply
    354,739,974.39x = 489,470,157.50 × 198,082,977.39
  4. Step 4: Simplify right side
    354,739,974.39x = 96,955,706,140,161,824
  5. Step 5: Solve for x
    x = 96,955,706,140,161,824/354,739,974.39
  6. Step 6: Final answer
    x = 273,314,859.16

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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.