Home / 1,992,907,829.10-2,989,361,743.65-1,439,040,018.90

Finding the Fourth Proportional to 1,992,907,829.10, 2,989,361,743.65 and 1,439,040,018.90

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Solution

The fourth proportional to 1,992,907,829.10, 2,989,361,743.65 and 1,439,040,018.90 is: 2,158,560,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,907,829.10 : 2,989,361,743.65 = 1,439,040,018.90 : x
  2. Step 2: Convert to fraction form
    1,992,907,829.10/2,989,361,743.65 = 1,439,040,018.90/x
  3. Step 3: Cross multiply
    1,992,907,829.10x = 2,989,361,743.65 × 1,439,040,018.90
  4. Step 4: Simplify right side
    1,992,907,829.10x = 4,301,811,180,081,033,216
  5. Step 5: Solve for x
    x = 4,301,811,180,081,033,216/1,992,907,829.10
  6. Step 6: Final answer
    x = 2,158,560,028.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.