Home / 18,358,940,389.20-27,545,213,028.60-7,325,374,923.60

Finding the Fourth Proportional to 18,358,940,389.20, 27,545,213,028.60 and 7,325,374,923.60

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Solution

The fourth proportional to 18,358,940,389.20, 27,545,213,028.60 and 7,325,374,923.60 is: 10,990,776,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358,940,389.20 : 27,545,213,028.60 = 7,325,374,923.60 : x
  2. Step 2: Convert to fraction form
    18,358,940,389.20/27,545,213,028.60 = 7,325,374,923.60/x
  3. Step 3: Cross multiply
    18,358,940,389.20x = 27,545,213,028.60 × 7,325,374,923.60
  4. Step 4: Simplify right side
    18,358,940,389.20x = 201,779,012,784,926,457,856
  5. Step 5: Solve for x
    x = 201,779,012,784,926,457,856/18,358,940,389.20
  6. Step 6: Final answer
    x = 10,990,776,619.31

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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.