Home / 279,422,784,133.60-419,134,176,200.40-111,647,285,586.40

Finding the Fourth Proportional to 279,422,784,133.60, 419,134,176,200.40 and 111,647,285,586.40

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Solution

The fourth proportional to 279,422,784,133.60, 419,134,176,200.40 and 111,647,285,586.40 is: 167,470,928,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,422,784,133.60 : 419,134,176,200.40 = 111,647,285,586.40 : x
  2. Step 2: Convert to fraction form
    279,422,784,133.60/419,134,176,200.40 = 111,647,285,586.40/x
  3. Step 3: Cross multiply
    279,422,784,133.60x = 419,134,176,200.40 × 111,647,285,586.40
  4. Step 4: Simplify right side
    279,422,784,133.60x = 46,795,193,069,266,557,468,672
  5. Step 5: Solve for x
    x = 46,795,193,069,266,557,468,672/279,422,784,133.60
  6. Step 6: Final answer
    x = 167,470,928,379.60

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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.