Home / 18,196,992,077.20-27,295,488,115.80-15,258,335,923.60

Finding the Fourth Proportional to 18,196,992,077.20, 27,295,488,115.80 and 15,258,335,923.60

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Solution

The fourth proportional to 18,196,992,077.20, 27,295,488,115.80 and 15,258,335,923.60 is: 22,887,503,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196,992,077.20 : 27,295,488,115.80 = 15,258,335,923.60 : x
  2. Step 2: Convert to fraction form
    18,196,992,077.20/27,295,488,115.80 = 15,258,335,923.60/x
  3. Step 3: Cross multiply
    18,196,992,077.20x = 27,295,488,115.80 × 15,258,335,923.60
  4. Step 4: Simplify right side
    18,196,992,077.20x = 416,483,726,869,507,997,696
  5. Step 5: Solve for x
    x = 416,483,726,869,507,997,696/18,196,992,077.20
  6. Step 6: Final answer
    x = 22,887,503,885.40

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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.