Home / 408,859,812.30-613,289,718.45-245,601,137.10

Finding the Fourth Proportional to 408,859,812.30, 613,289,718.45 and 245,601,137.10

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Solution

The fourth proportional to 408,859,812.30, 613,289,718.45 and 245,601,137.10 is: 368,401,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,859,812.30 : 613,289,718.45 = 245,601,137.10 : x
  2. Step 2: Convert to fraction form
    408,859,812.30/613,289,718.45 = 245,601,137.10/x
  3. Step 3: Cross multiply
    408,859,812.30x = 613,289,718.45 × 245,601,137.10
  4. Step 4: Simplify right side
    408,859,812.30x = 150,624,652,223,058,848
  5. Step 5: Solve for x
    x = 150,624,652,223,058,848/408,859,812.30
  6. Step 6: Final answer
    x = 368,401,705.65

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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.