Home / 1,311,519,495.60-1,809,893,829.74-747,004,268.61

Finding the Fourth Proportional to 1,311,519,495.60, 1,809,893,829.74 and 747,004,268.61

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Solution

The fourth proportional to 1,311,519,495.60, 1,809,893,829.74 and 747,004,268.61 is: 1,030,864,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,519,495.60 : 1,809,893,829.74 = 747,004,268.61 : x
  2. Step 2: Convert to fraction form
    1,311,519,495.60/1,809,893,829.74 = 747,004,268.61/x
  3. Step 3: Cross multiply
    1,311,519,495.60x = 1,809,893,829.74 × 747,004,268.61
  4. Step 4: Simplify right side
    1,311,519,495.60x = 1,351,998,416,542,945,536
  5. Step 5: Solve for x
    x = 1,351,998,416,542,945,536/1,311,519,495.60
  6. Step 6: Final answer
    x = 1,030,864,139.71

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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.