Home / 18,115,977,914.21-27,164,875,353.41-10,555,206,016.54

Finding the Fourth Proportional to 18,115,977,914.21, 27,164,875,353.41 and 10,555,206,016.54

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Solution

The fourth proportional to 18,115,977,914.21, 27,164,875,353.41 and 10,555,206,016.54 is: 15,827,511,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115,977,914.21 : 27,164,875,353.41 = 10,555,206,016.54 : x
  2. Step 2: Convert to fraction form
    18,115,977,914.21/27,164,875,353.41 = 10,555,206,016.54/x
  3. Step 3: Cross multiply
    18,115,977,914.21x = 27,164,875,353.41 × 10,555,206,016.54
  4. Step 4: Simplify right side
    18,115,977,914.21x = 286,730,855,768,839,159,808
  5. Step 5: Solve for x
    x = 286,730,855,768,839,159,808/18,115,977,914.21
  6. Step 6: Final answer
    x = 15,827,511,886.28

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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.