Home / 1,310,289,983,179.10-1,965,434,974,768.60-639,174,384,100.65

Finding the Fourth Proportional to 1,310,289,983,179.10, 1,965,434,974,768.60 and 639,174,384,100.65

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Solution

The fourth proportional to 1,310,289,983,179.10, 1,965,434,974,768.60 and 639,174,384,100.65 is: 958,761,576,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,289,983,179.10 : 1,965,434,974,768.60 = 639,174,384,100.65 : x
  2. Step 2: Convert to fraction form
    1,310,289,983,179.10/1,965,434,974,768.60 = 639,174,384,100.65/x
  3. Step 3: Cross multiply
    1,310,289,983,179.10x = 1,965,434,974,768.60 × 639,174,384,100.65
  4. Step 4: Simplify right side
    1,310,289,983,179.10x = 1,256,255,689,487,596,499,501,056
  5. Step 5: Solve for x
    x = 1,256,255,689,487,596,499,501,056/1,310,289,983,179.10
  6. Step 6: Final answer
    x = 958,761,576,150.95

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Double scale
Find fourth proportional to 1,310,289,983,180.10, 1,965,434,974,770.10 and 639,174,384,101.65
Similar ratio
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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.