Home / 12,021,467,887.63-16,589,645,201.08-6,669,028,385.20

Finding the Fourth Proportional to 12,021,467,887.63, 16,589,645,201.08 and 6,669,028,385.20

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Solution

The fourth proportional to 12,021,467,887.63, 16,589,645,201.08 and 6,669,028,385.20 is: 9,203,269,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021,467,887.63 : 16,589,645,201.08 = 6,669,028,385.20 : x
  2. Step 2: Convert to fraction form
    12,021,467,887.63/16,589,645,201.08 = 6,669,028,385.20/x
  3. Step 3: Cross multiply
    12,021,467,887.63x = 16,589,645,201.08 × 6,669,028,385.20
  4. Step 4: Simplify right side
    12,021,467,887.63x = 110,636,814,746,422,738,944
  5. Step 5: Solve for x
    x = 110,636,814,746,422,738,944/12,021,467,887.63
  6. Step 6: Final answer
    x = 9,203,269,998.35

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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.