Home / 1,443,554,376.33-1,992,106,513.68-783,504,790.41

Finding the Fourth Proportional to 1,443,554,376.33, 1,992,106,513.68 and 783,504,790.41

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Solution

The fourth proportional to 1,443,554,376.33, 1,992,106,513.68 and 783,504,790.41 is: 1,081,237,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,554,376.33 : 1,992,106,513.68 = 783,504,790.41 : x
  2. Step 2: Convert to fraction form
    1,443,554,376.33/1,992,106,513.68 = 783,504,790.41/x
  3. Step 3: Cross multiply
    1,443,554,376.33x = 1,992,106,513.68 × 783,504,790.41
  4. Step 4: Simplify right side
    1,443,554,376.33x = 1,560,824,996,475,244,288
  5. Step 5: Solve for x
    x = 1,560,824,996,475,244,288/1,443,554,376.33
  6. Step 6: Final answer
    x = 1,081,237,410.98

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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.