Home / 18,646,435,998.10-27,965,175,021.15-10,768,813,009.30

Finding the Fourth Proportional to 18,646,435,998.10, 27,965,175,021.15 and 10,768,813,009.30

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Solution

The fourth proportional to 18,646,435,998.10, 27,965,175,021.15 and 10,768,813,009.30 is: 16,150,632,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646,435,998.10 : 27,965,175,021.15 = 10,768,813,009.30 : x
  2. Step 2: Convert to fraction form
    18,646,435,998.10/27,965,175,021.15 = 10,768,813,009.30/x
  3. Step 3: Cross multiply
    18,646,435,998.10x = 27,965,175,021.15 × 10,768,813,009.30
  4. Step 4: Simplify right side
    18,646,435,998.10x = 301,151,740,575,111,512,064
  5. Step 5: Solve for x
    x = 301,151,740,575,111,512,064/18,646,435,998.10
  6. Step 6: Final answer
    x = 16,150,632,786.12

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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.