Home / 20,861,616,415.44-31,305,295,795.86-9,667,404,058.08

Finding the Fourth Proportional to 20,861,616,415.44, 31,305,295,795.86 and 9,667,404,058.08

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Solution

The fourth proportional to 20,861,616,415.44, 31,305,295,795.86 and 9,667,404,058.08 is: 14,507,070,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,616,415.44 : 31,305,295,795.86 = 9,667,404,058.08 : x
  2. Step 2: Convert to fraction form
    20,861,616,415.44/31,305,295,795.86 = 9,667,404,058.08/x
  3. Step 3: Cross multiply
    20,861,616,415.44x = 31,305,295,795.86 × 9,667,404,058.08
  4. Step 4: Simplify right side
    20,861,616,415.44x = 302,640,943,616,291,700,736
  5. Step 5: Solve for x
    x = 302,640,943,616,291,700,736/20,861,616,415.44
  6. Step 6: Final answer
    x = 14,507,070,669.38

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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.