Home / 20,155,823,999.20-30,233,735,998.80-18,196,719,896.80

Finding the Fourth Proportional to 20,155,823,999.20, 30,233,735,998.80 and 18,196,719,896.80

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Solution

The fourth proportional to 20,155,823,999.20, 30,233,735,998.80 and 18,196,719,896.80 is: 27,295,079,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,823,999.20 : 30,233,735,998.80 = 18,196,719,896.80 : x
  2. Step 2: Convert to fraction form
    20,155,823,999.20/30,233,735,998.80 = 18,196,719,896.80/x
  3. Step 3: Cross multiply
    20,155,823,999.20x = 30,233,735,998.80 × 18,196,719,896.80
  4. Step 4: Simplify right side
    20,155,823,999.20x = 550,154,825,403,962,359,808
  5. Step 5: Solve for x
    x = 550,154,825,403,962,359,808/20,155,823,999.20
  6. Step 6: Final answer
    x = 27,295,079,845.20

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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.