Home / 277,682,974,275.20-383,171,865,187.41-155,722,610,863.89

Finding the Fourth Proportional to 277,682,974,275.20, 383,171,865,187.41 and 155,722,610,863.89

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Solution

The fourth proportional to 277,682,974,275.20, 383,171,865,187.41 and 155,722,610,863.89 is: 214,880,020,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,682,974,275.20 : 383,171,865,187.41 = 155,722,610,863.89 : x
  2. Step 2: Convert to fraction form
    277,682,974,275.20/383,171,865,187.41 = 155,722,610,863.89/x
  3. Step 3: Cross multiply
    277,682,974,275.20x = 383,171,865,187.41 × 155,722,610,863.89
  4. Step 4: Simplify right side
    277,682,974,275.20x = 59,668,523,256,569,965,576,192
  5. Step 5: Solve for x
    x = 59,668,523,256,569,965,576,192/277,682,974,275.20
  6. Step 6: Final answer
    x = 214,880,020,686.59

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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.