Home / 277,682,974,208.09-383,171,865,094.56-155,722,610,796.76

Finding the Fourth Proportional to 277,682,974,208.09, 383,171,865,094.56 and 155,722,610,796.76

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Solution

The fourth proportional to 277,682,974,208.09, 383,171,865,094.56 and 155,722,610,796.76 is: 214,880,020,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,682,974,208.09 : 383,171,865,094.56 = 155,722,610,796.76 : x
  2. Step 2: Convert to fraction form
    277,682,974,208.09/383,171,865,094.56 = 155,722,610,796.76/x
  3. Step 3: Cross multiply
    277,682,974,208.09x = 383,171,865,094.56 × 155,722,610,796.76
  4. Step 4: Simplify right side
    277,682,974,208.09x = 59,668,523,216,388,801,691,648
  5. Step 5: Solve for x
    x = 59,668,523,216,388,801,691,648/277,682,974,208.09
  6. Step 6: Final answer
    x = 214,880,020,593.82

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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.