Home / 277,682,974,276.95-383,171,865,189.83-155,722,610,865.64

Finding the Fourth Proportional to 277,682,974,276.95, 383,171,865,189.83 and 155,722,610,865.64

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Solution

The fourth proportional to 277,682,974,276.95, 383,171,865,189.83 and 155,722,610,865.64 is: 214,880,020,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,682,974,276.95 : 383,171,865,189.83 = 155,722,610,865.64 : x
  2. Step 2: Convert to fraction form
    277,682,974,276.95/383,171,865,189.83 = 155,722,610,865.64/x
  3. Step 3: Cross multiply
    277,682,974,276.95x = 383,171,865,189.83 × 155,722,610,865.64
  4. Step 4: Simplify right side
    277,682,974,276.95x = 59,668,523,257,617,375,559,680
  5. Step 5: Solve for x
    x = 59,668,523,257,617,375,559,680/277,682,974,276.95
  6. Step 6: Final answer
    x = 214,880,020,689.01

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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.