Home / 18,148,533,856.80-27,222,800,785.20-7,103,379,040.80

Finding the Fourth Proportional to 18,148,533,856.80, 27,222,800,785.20 and 7,103,379,040.80

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Solution

The fourth proportional to 18,148,533,856.80, 27,222,800,785.20 and 7,103,379,040.80 is: 10,655,068,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,533,856.80 : 27,222,800,785.20 = 7,103,379,040.80 : x
  2. Step 2: Convert to fraction form
    18,148,533,856.80/27,222,800,785.20 = 7,103,379,040.80/x
  3. Step 3: Cross multiply
    18,148,533,856.80x = 27,222,800,785.20 × 7,103,379,040.80
  4. Step 4: Simplify right side
    18,148,533,856.80x = 193,373,872,529,463,476,224
  5. Step 5: Solve for x
    x = 193,373,872,529,463,476,224/18,148,533,856.80
  6. Step 6: Final answer
    x = 10,655,068,561.20

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Double scale
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1.5x scale

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.