Home / 18,196,992,012.20-27,295,488,018.30-8,401,471,500.20

Finding the Fourth Proportional to 18,196,992,012.20, 27,295,488,018.30 and 8,401,471,500.20

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Solution

The fourth proportional to 18,196,992,012.20, 27,295,488,018.30 and 8,401,471,500.20 is: 12,602,207,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196,992,012.20 : 27,295,488,018.30 = 8,401,471,500.20 : x
  2. Step 2: Convert to fraction form
    18,196,992,012.20/27,295,488,018.30 = 8,401,471,500.20/x
  3. Step 3: Cross multiply
    18,196,992,012.20x = 27,295,488,018.30 × 8,401,471,500.20
  4. Step 4: Simplify right side
    18,196,992,012.20x = 229,322,264,669,798,006,784
  5. Step 5: Solve for x
    x = 229,322,264,669,798,006,784/18,196,992,012.20
  6. Step 6: Final answer
    x = 12,602,207,250.30

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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.