Home / 1,310,289,983,177.60-1,965,434,974,766.40-639,174,384,099.15

Finding the Fourth Proportional to 1,310,289,983,177.60, 1,965,434,974,766.40 and 639,174,384,099.15

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Solution

The fourth proportional to 1,310,289,983,177.60, 1,965,434,974,766.40 and 639,174,384,099.15 is: 958,761,576,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,289,983,177.60 : 1,965,434,974,766.40 = 639,174,384,099.15 : x
  2. Step 2: Convert to fraction form
    1,310,289,983,177.60/1,965,434,974,766.40 = 639,174,384,099.15/x
  3. Step 3: Cross multiply
    1,310,289,983,177.60x = 1,965,434,974,766.40 × 639,174,384,099.15
  4. Step 4: Simplify right side
    1,310,289,983,177.60x = 1,256,255,689,483,242,207,969,280
  5. Step 5: Solve for x
    x = 1,256,255,689,483,242,207,969,280/1,310,289,983,177.60
  6. Step 6: Final answer
    x = 958,761,576,148.73

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Double scale
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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.