Home / 1,321,250,749.84-1,823,442,215.66-726,640,015.38

Finding the Fourth Proportional to 1,321,250,749.84, 1,823,442,215.66 and 726,640,015.38

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Solution

The fourth proportional to 1,321,250,749.84, 1,823,442,215.66 and 726,640,015.38 is: 1,002,827,116.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,250,749.84 : 1,823,442,215.66 = 726,640,015.38 : x
  2. Step 2: Convert to fraction form
    1,321,250,749.84/1,823,442,215.66 = 726,640,015.38/x
  3. Step 3: Cross multiply
    1,321,250,749.84x = 1,823,442,215.66 × 726,640,015.38
  4. Step 4: Simplify right side
    1,321,250,749.84x = 1,324,986,079,631,723,776
  5. Step 5: Solve for x
    x = 1,324,986,079,631,723,776/1,321,250,749.84
  6. Step 6: Final answer
    x = 1,002,827,116.50

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1.5x scale

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.