Home / 1,213,264,237,910.20-1,673,498,269,873.90-780,264,374,091.16

Finding the Fourth Proportional to 1,213,264,237,910.20, 1,673,498,269,873.90 and 780,264,374,091.16

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Solution

The fourth proportional to 1,213,264,237,910.20, 1,673,498,269,873.90 and 780,264,374,091.16 is: 1,076,246,244,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,264,237,910.20 : 1,673,498,269,873.90 = 780,264,374,091.16 : x
  2. Step 2: Convert to fraction form
    1,213,264,237,910.20/1,673,498,269,873.90 = 780,264,374,091.16/x
  3. Step 3: Cross multiply
    1,213,264,237,910.20x = 1,673,498,269,873.90 × 780,264,374,091.16
  4. Step 4: Simplify right side
    1,213,264,237,910.20x = 1,305,771,080,085,797,645,320,192
  5. Step 5: Solve for x
    x = 1,305,771,080,085,797,645,320,192/1,213,264,237,910.20
  6. Step 6: Final answer
    x = 1,076,246,244,869.90

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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.