Home / 20,155,405,616.20-30,233,108,424.30-11,448,276,272.20

Finding the Fourth Proportional to 20,155,405,616.20, 30,233,108,424.30 and 11,448,276,272.20

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Solution

The fourth proportional to 20,155,405,616.20, 30,233,108,424.30 and 11,448,276,272.20 is: 17,172,414,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,405,616.20 : 30,233,108,424.30 = 11,448,276,272.20 : x
  2. Step 2: Convert to fraction form
    20,155,405,616.20/30,233,108,424.30 = 11,448,276,272.20/x
  3. Step 3: Cross multiply
    20,155,405,616.20x = 30,233,108,424.30 × 11,448,276,272.20
  4. Step 4: Simplify right side
    20,155,405,616.20x = 346,116,977,808,763,650,048
  5. Step 5: Solve for x
    x = 346,116,977,808,763,650,048/20,155,405,616.20
  6. Step 6: Final answer
    x = 17,172,414,408.30

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Double scale
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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.