Home / 820,861,469.16-1,132,789,441.24-444,518,469.48

Finding the Fourth Proportional to 820,861,469.16, 1,132,789,441.24 and 444,518,469.48

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Solution

The fourth proportional to 820,861,469.16, 1,132,789,441.24 and 444,518,469.48 is: 613,435,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,861,469.16 : 1,132,789,441.24 = 444,518,469.48 : x
  2. Step 2: Convert to fraction form
    820,861,469.16/1,132,789,441.24 = 444,518,469.48/x
  3. Step 3: Cross multiply
    820,861,469.16x = 1,132,789,441.24 × 444,518,469.48
  4. Step 4: Simplify right side
    820,861,469.16x = 503,545,828,663,109,248
  5. Step 5: Solve for x
    x = 503,545,828,663,109,248/820,861,469.16
  6. Step 6: Final answer
    x = 613,435,820.27

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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.