Home / 15,096,538,563.81-20,833,286,144.08-8,322,208,321.31

Finding the Fourth Proportional to 15,096,538,563.81, 20,833,286,144.08 and 8,322,208,321.31

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Solution

The fourth proportional to 15,096,538,563.81, 20,833,286,144.08 and 8,322,208,321.31 is: 11,484,682,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096,538,563.81 : 20,833,286,144.08 = 8,322,208,321.31 : x
  2. Step 2: Convert to fraction form
    15,096,538,563.81/20,833,286,144.08 = 8,322,208,321.31/x
  3. Step 3: Cross multiply
    15,096,538,563.81x = 20,833,286,144.08 × 8,322,208,321.31
  4. Step 4: Simplify right side
    15,096,538,563.81x = 173,378,947,308,453,298,176
  5. Step 5: Solve for x
    x = 173,378,947,308,453,298,176/15,096,538,563.81
  6. Step 6: Final answer
    x = 11,484,682,172.39

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Double scale
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1.5x scale

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.