Home / 20,861,616,389.16-31,305,295,756.26-9,667,404,031.80

Finding the Fourth Proportional to 20,861,616,389.16, 31,305,295,756.26 and 9,667,404,031.80

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Solution

The fourth proportional to 20,861,616,389.16, 31,305,295,756.26 and 9,667,404,031.80 is: 14,507,070,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,616,389.16 : 31,305,295,756.26 = 9,667,404,031.80 : x
  2. Step 2: Convert to fraction form
    20,861,616,389.16/31,305,295,756.26 = 9,667,404,031.80/x
  3. Step 3: Cross multiply
    20,861,616,389.16x = 31,305,295,756.26 × 9,667,404,031.80
  4. Step 4: Simplify right side
    20,861,616,389.16x = 302,640,942,410,759,340,032
  5. Step 5: Solve for x
    x = 302,640,942,410,759,340,032/20,861,616,389.16
  6. Step 6: Final answer
    x = 14,507,070,629.87

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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.