Home / 1,310,289,983,179.30-1,965,434,974,768.90-639,174,384,100.90

Finding the Fourth Proportional to 1,310,289,983,179.30, 1,965,434,974,768.90 and 639,174,384,100.90

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Solution

The fourth proportional to 1,310,289,983,179.30, 1,965,434,974,768.90 and 639,174,384,100.90 is: 958,761,576,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,289,983,179.30 : 1,965,434,974,768.90 = 639,174,384,100.90 : x
  2. Step 2: Convert to fraction form
    1,310,289,983,179.30/1,965,434,974,768.90 = 639,174,384,100.90/x
  3. Step 3: Cross multiply
    1,310,289,983,179.30x = 1,965,434,974,768.90 × 639,174,384,100.90
  4. Step 4: Simplify right side
    1,310,289,983,179.30x = 1,256,255,689,488,279,667,736,576
  5. Step 5: Solve for x
    x = 1,256,255,689,488,279,667,736,576/1,310,289,983,179.30
  6. Step 6: Final answer
    x = 958,761,576,151.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.