Home / 628,760,258.44-867,668,808.20-360,880,183.40

Finding the Fourth Proportional to 628,760,258.44, 867,668,808.20 and 360,880,183.40

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Solution

The fourth proportional to 628,760,258.44, 867,668,808.20 and 360,880,183.40 is: 498,002,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,760,258.44 : 867,668,808.20 = 360,880,183.40 : x
  2. Step 2: Convert to fraction form
    628,760,258.44/867,668,808.20 = 360,880,183.40/x
  3. Step 3: Cross multiply
    628,760,258.44x = 867,668,808.20 × 360,880,183.40
  4. Step 4: Simplify right side
    628,760,258.44x = 313,124,478,633,675,392
  5. Step 5: Solve for x
    x = 313,124,478,633,675,392/628,760,258.44
  6. Step 6: Final answer
    x = 498,002,974.00

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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.