Home / 1,247,621,305,866.20-1,721,716,096,306.50-698,916,473,215.20

Finding the Fourth Proportional to 1,247,621,305,866.20, 1,721,716,096,306.50 and 698,916,473,215.20

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Solution

The fourth proportional to 1,247,621,305,866.20, 1,721,716,096,306.50 and 698,916,473,215.20 is: 964,504,001,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,621,305,866.20 : 1,721,716,096,306.50 = 698,916,473,215.20 : x
  2. Step 2: Convert to fraction form
    1,247,621,305,866.20/1,721,716,096,306.50 = 698,916,473,215.20/x
  3. Step 3: Cross multiply
    1,247,621,305,866.20x = 1,721,716,096,306.50 × 698,916,473,215.20
  4. Step 4: Simplify right side
    1,247,621,305,866.20x = 1,203,335,741,908,380,477,816,832
  5. Step 5: Solve for x
    x = 1,203,335,741,908,380,477,816,832/1,247,621,305,866.20
  6. Step 6: Final answer
    x = 964,504,001,535.09

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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.