Home / 490,665,359.53-736,004,450.06-163,140,872.65

Finding the Fourth Proportional to 490,665,359.53, 736,004,450.06 and 163,140,872.65

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Solution

The fourth proportional to 490,665,359.53, 736,004,450.06 and 163,140,872.65 is: 244,713,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,665,359.53 : 736,004,450.06 = 163,140,872.65 : x
  2. Step 2: Convert to fraction form
    490,665,359.53/736,004,450.06 = 163,140,872.65/x
  3. Step 3: Cross multiply
    490,665,359.53x = 736,004,450.06 × 163,140,872.65
  4. Step 4: Simplify right side
    490,665,359.53x = 120,072,408,255,370,416
  5. Step 5: Solve for x
    x = 120,072,408,255,370,416/490,665,359.53
  6. Step 6: Final answer
    x = 244,713,440.48

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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.