Home / 1,992,907,849.60-2,989,361,774.40-1,439,040,039.40

Finding the Fourth Proportional to 1,992,907,849.60, 2,989,361,774.40 and 1,439,040,039.40

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Solution

The fourth proportional to 1,992,907,849.60, 2,989,361,774.40 and 1,439,040,039.40 is: 2,158,560,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,907,849.60 : 2,989,361,774.40 = 1,439,040,039.40 : x
  2. Step 2: Convert to fraction form
    1,992,907,849.60/2,989,361,774.40 = 1,439,040,039.40/x
  3. Step 3: Cross multiply
    1,992,907,849.60x = 2,989,361,774.40 × 1,439,040,039.40
  4. Step 4: Simplify right side
    1,992,907,849.60x = 4,301,811,285,613,430,272
  5. Step 5: Solve for x
    x = 4,301,811,285,613,430,272/1,992,907,849.60
  6. Step 6: Final answer
    x = 2,158,560,059.10

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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.