Home / 18,196,991,999.70-27,295,487,999.55-15,258,335,846.10

Finding the Fourth Proportional to 18,196,991,999.70, 27,295,487,999.55 and 15,258,335,846.10

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Solution

The fourth proportional to 18,196,991,999.70, 27,295,487,999.55 and 15,258,335,846.10 is: 22,887,503,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196,991,999.70 : 27,295,487,999.55 = 15,258,335,846.10 : x
  2. Step 2: Convert to fraction form
    18,196,991,999.70/27,295,487,999.55 = 15,258,335,846.10/x
  3. Step 3: Cross multiply
    18,196,991,999.70x = 27,295,487,999.55 × 15,258,335,846.10
  4. Step 4: Simplify right side
    18,196,991,999.70x = 416,483,722,980,326,113,280
  5. Step 5: Solve for x
    x = 416,483,722,980,326,113,280/18,196,991,999.70
  6. Step 6: Final answer
    x = 22,887,503,769.15

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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.