Home / 18,125,916,099.60-27,188,874,149.40-13,228,155,843.60

Finding the Fourth Proportional to 18,125,916,099.60, 27,188,874,149.40 and 13,228,155,843.60

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Solution

The fourth proportional to 18,125,916,099.60, 27,188,874,149.40 and 13,228,155,843.60 is: 19,842,233,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,916,099.60 : 27,188,874,149.40 = 13,228,155,843.60 : x
  2. Step 2: Convert to fraction form
    18,125,916,099.60/27,188,874,149.40 = 13,228,155,843.60/x
  3. Step 3: Cross multiply
    18,125,916,099.60x = 27,188,874,149.40 × 13,228,155,843.60
  4. Step 4: Simplify right side
    18,125,916,099.60x = 359,658,664,460,290,621,440
  5. Step 5: Solve for x
    x = 359,658,664,460,290,621,440/18,125,916,099.60
  6. Step 6: Final answer
    x = 19,842,233,765.40

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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.