Home / 2,218,315,254.89-3,061,370,710.76-1,228,240,759.37

Finding the Fourth Proportional to 2,218,315,254.89, 3,061,370,710.76 and 1,228,240,759.37

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Solution

The fourth proportional to 2,218,315,254.89, 3,061,370,710.76 and 1,228,240,759.37 is: 1,695,025,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,315,254.89 : 3,061,370,710.76 = 1,228,240,759.37 : x
  2. Step 2: Convert to fraction form
    2,218,315,254.89/3,061,370,710.76 = 1,228,240,759.37/x
  3. Step 3: Cross multiply
    2,218,315,254.89x = 3,061,370,710.76 × 1,228,240,759.37
  4. Step 4: Simplify right side
    2,218,315,254.89x = 3,760,100,286,475,491,328
  5. Step 5: Solve for x
    x = 3,760,100,286,475,491,328/2,218,315,254.89
  6. Step 6: Final answer
    x = 1,695,025,212.58

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Double scale
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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.