Home / 28,372,704,249.78-39,147,836,064.08-16,939,047,855.60

Finding the Fourth Proportional to 28,372,704,249.78, 39,147,836,064.08 and 16,939,047,855.60

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Solution

The fourth proportional to 28,372,704,249.78, 39,147,836,064.08 and 16,939,047,855.60 is: 23,372,007,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372,704,249.78 : 39,147,836,064.08 = 16,939,047,855.60 : x
  2. Step 2: Convert to fraction form
    28,372,704,249.78/39,147,836,064.08 = 16,939,047,855.60/x
  3. Step 3: Cross multiply
    28,372,704,249.78x = 39,147,836,064.08 × 16,939,047,855.60
  4. Step 4: Simplify right side
    28,372,704,249.78x = 663,127,068,532,549,877,760
  5. Step 5: Solve for x
    x = 663,127,068,532,549,877,760/28,372,704,249.78
  6. Step 6: Final answer
    x = 23,372,007,923.34

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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.