Home / 1,491,346,686.85-2,058,150,290.18-822,289,662.68

Finding the Fourth Proportional to 1,491,346,686.85, 2,058,150,290.18 and 822,289,662.68

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Solution

The fourth proportional to 1,491,346,686.85, 2,058,150,290.18 and 822,289,662.68 is: 1,134,810,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,346,686.85 : 2,058,150,290.18 = 822,289,662.68 : x
  2. Step 2: Convert to fraction form
    1,491,346,686.85/2,058,150,290.18 = 822,289,662.68/x
  3. Step 3: Cross multiply
    1,491,346,686.85x = 2,058,150,290.18 × 822,289,662.68
  4. Step 4: Simplify right side
    1,491,346,686.85x = 1,692,395,707,856,856,320
  5. Step 5: Solve for x
    x = 1,692,395,707,856,856,320/1,491,346,686.85
  6. Step 6: Final answer
    x = 1,134,810,384.99

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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.