Home / 1,469,729,020.76-2,028,222,497.65-800,679,563.45

Finding the Fourth Proportional to 1,469,729,020.76, 2,028,222,497.65 and 800,679,563.45

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Solution

The fourth proportional to 1,469,729,020.76, 2,028,222,497.65 and 800,679,563.45 is: 1,104,935,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,729,020.76 : 2,028,222,497.65 = 800,679,563.45 : x
  2. Step 2: Convert to fraction form
    1,469,729,020.76/2,028,222,497.65 = 800,679,563.45/x
  3. Step 3: Cross multiply
    1,469,729,020.76x = 2,028,222,497.65 × 800,679,563.45
  4. Step 4: Simplify right side
    1,469,729,020.76x = 1,623,956,303,997,870,848
  5. Step 5: Solve for x
    x = 1,623,956,303,997,870,848/1,469,729,020.76
  6. Step 6: Final answer
    x = 1,104,935,863.05

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Double scale
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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.