Home / 16,921,410,394.39-23,351,757,946.36-9,301,288,257.45

Finding the Fourth Proportional to 16,921,410,394.39, 23,351,757,946.36 and 9,301,288,257.45

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Solution

The fourth proportional to 16,921,410,394.39, 23,351,757,946.36 and 9,301,288,257.45 is: 12,835,894,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921,410,394.39 : 23,351,757,946.36 = 9,301,288,257.45 : x
  2. Step 2: Convert to fraction form
    16,921,410,394.39/23,351,757,946.36 = 9,301,288,257.45/x
  3. Step 3: Cross multiply
    16,921,410,394.39x = 23,351,757,946.36 × 9,301,288,257.45
  4. Step 4: Simplify right side
    16,921,410,394.39x = 217,201,431,977,265,102,848
  5. Step 5: Solve for x
    x = 217,201,431,977,265,102,848/16,921,410,394.39
  6. Step 6: Final answer
    x = 12,835,894,107.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.