Home / 857,882,698.79-1,183,783,390.63-481,452,949.13

Finding the Fourth Proportional to 857,882,698.79, 1,183,783,390.63 and 481,452,949.13

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Solution

The fourth proportional to 857,882,698.79, 1,183,783,390.63 and 481,452,949.13 is: 664,351,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,882,698.79 : 1,183,783,390.63 = 481,452,949.13 : x
  2. Step 2: Convert to fraction form
    857,882,698.79/1,183,783,390.63 = 481,452,949.13/x
  3. Step 3: Cross multiply
    857,882,698.79x = 1,183,783,390.63 × 481,452,949.13
  4. Step 4: Simplify right side
    857,882,698.79x = 569,936,004,542,801,792
  5. Step 5: Solve for x
    x = 569,936,004,542,801,792/857,882,698.79
  6. Step 6: Final answer
    x = 664,351,904.23

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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.