Home / 12,410,651,027.57-18,615,853,862.33-5,685,885,480.78

Finding the Fourth Proportional to 12,410,651,027.57, 18,615,853,862.33 and 5,685,885,480.78

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Solution

The fourth proportional to 12,410,651,027.57, 18,615,853,862.33 and 5,685,885,480.78 is: 8,528,772,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410,651,027.57 : 18,615,853,862.33 = 5,685,885,480.78 : x
  2. Step 2: Convert to fraction form
    12,410,651,027.57/18,615,853,862.33 = 5,685,885,480.78/x
  3. Step 3: Cross multiply
    12,410,651,027.57x = 18,615,853,862.33 × 5,685,885,480.78
  4. Step 4: Simplify right side
    12,410,651,027.57x = 105,847,613,188,144,431,104
  5. Step 5: Solve for x
    x = 105,847,613,188,144,431,104/12,410,651,027.57
  6. Step 6: Final answer
    x = 8,528,772,016.31

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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.