Home / 2,666,436,826.68-3,999,846,558.78-919,613,879.28

Finding the Fourth Proportional to 2,666,436,826.68, 3,999,846,558.78 and 919,613,879.28

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Solution

The fourth proportional to 2,666,436,826.68, 3,999,846,558.78 and 919,613,879.28 is: 1,379,486,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,436,826.68 : 3,999,846,558.78 = 919,613,879.28 : x
  2. Step 2: Convert to fraction form
    2,666,436,826.68/3,999,846,558.78 = 919,613,879.28/x
  3. Step 3: Cross multiply
    2,666,436,826.68x = 3,999,846,558.78 × 919,613,879.28
  4. Step 4: Simplify right side
    2,666,436,826.68x = 3,678,314,410,444,434,432
  5. Step 5: Solve for x
    x = 3,678,314,410,444,434,432/2,666,436,826.68
  6. Step 6: Final answer
    x = 1,379,486,801.88

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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.