Home / 12,285,546,458.12-16,965,763,298.34-11,616,237,721.70

Finding the Fourth Proportional to 12,285,546,458.12, 16,965,763,298.34 and 11,616,237,721.70

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Solution

The fourth proportional to 12,285,546,458.12, 16,965,763,298.34 and 11,616,237,721.70 is: 16,041,479,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,546,458.12 : 16,965,763,298.34 = 11,616,237,721.70 : x
  2. Step 2: Convert to fraction form
    12,285,546,458.12/16,965,763,298.34 = 11,616,237,721.70/x
  3. Step 3: Cross multiply
    12,285,546,458.12x = 16,965,763,298.34 × 11,616,237,721.70
  4. Step 4: Simplify right side
    12,285,546,458.12x = 197,078,339,603,610,533,888
  5. Step 5: Solve for x
    x = 197,078,339,603,610,533,888/12,285,546,458.12
  6. Step 6: Final answer
    x = 16,041,479,333.09

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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.