Home / 20,154,128,093.40-30,231,192,140.10-11,446,998,749.40

Finding the Fourth Proportional to 20,154,128,093.40, 30,231,192,140.10 and 11,446,998,749.40

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Solution

The fourth proportional to 20,154,128,093.40, 30,231,192,140.10 and 11,446,998,749.40 is: 17,170,498,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,128,093.40 : 30,231,192,140.10 = 11,446,998,749.40 : x
  2. Step 2: Convert to fraction form
    20,154,128,093.40/30,231,192,140.10 = 11,446,998,749.40/x
  3. Step 3: Cross multiply
    20,154,128,093.40x = 30,231,192,140.10 × 11,446,998,749.40
  4. Step 4: Simplify right side
    20,154,128,093.40x = 346,056,418,620,595,765,248
  5. Step 5: Solve for x
    x = 346,056,418,620,595,765,248/20,154,128,093.40
  6. Step 6: Final answer
    x = 17,170,498,124.10

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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.