Home / 6,519,311,769.60-9,780,243,112.80-2,788,595,949.60

Finding the Fourth Proportional to 6,519,311,769.60, 9,780,243,112.80 and 2,788,595,949.60

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Solution

The fourth proportional to 6,519,311,769.60, 9,780,243,112.80 and 2,788,595,949.60 is: 4,183,439,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,311,769.60 : 9,780,243,112.80 = 2,788,595,949.60 : x
  2. Step 2: Convert to fraction form
    6,519,311,769.60/9,780,243,112.80 = 2,788,595,949.60/x
  3. Step 3: Cross multiply
    6,519,311,769.60x = 9,780,243,112.80 × 2,788,595,949.60
  4. Step 4: Simplify right side
    6,519,311,769.60x = 27,273,146,330,457,374,720
  5. Step 5: Solve for x
    x = 27,273,146,330,457,374,720/6,519,311,769.60
  6. Step 6: Final answer
    x = 4,183,439,493.97

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1.5x scale

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.