Home / 1,491,346,685.85-2,058,150,288.80-822,289,661.68

Finding the Fourth Proportional to 1,491,346,685.85, 2,058,150,288.80 and 822,289,661.68

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Solution

The fourth proportional to 1,491,346,685.85, 2,058,150,288.80 and 822,289,661.68 is: 1,134,810,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,346,685.85 : 2,058,150,288.80 = 822,289,661.68 : x
  2. Step 2: Convert to fraction form
    1,491,346,685.85/2,058,150,288.80 = 822,289,661.68/x
  3. Step 3: Cross multiply
    1,491,346,685.85x = 2,058,150,288.80 × 822,289,661.68
  4. Step 4: Simplify right side
    1,491,346,685.85x = 1,692,395,704,663,946,240
  5. Step 5: Solve for x
    x = 1,692,395,704,663,946,240/1,491,346,685.85
  6. Step 6: Final answer
    x = 1,134,810,383.61

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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.