Home / 1,809,615,234.11-2,714,449,928.05-689,200,769.98

Finding the Fourth Proportional to 1,809,615,234.11, 2,714,449,928.05 and 689,200,769.98

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Solution

The fourth proportional to 1,809,615,234.11, 2,714,449,928.05 and 689,200,769.98 is: 1,033,811,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,615,234.11 : 2,714,449,928.05 = 689,200,769.98 : x
  2. Step 2: Convert to fraction form
    1,809,615,234.11/2,714,449,928.05 = 689,200,769.98/x
  3. Step 3: Cross multiply
    1,809,615,234.11x = 2,714,449,928.05 × 689,200,769.98
  4. Step 4: Simplify right side
    1,809,615,234.11x = 1,870,800,980,470,643,456
  5. Step 5: Solve for x
    x = 1,870,800,980,470,643,456/1,809,615,234.11
  6. Step 6: Final answer
    x = 1,033,811,467.33

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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.