Home / 1,856,797,360,312.30-2,786,468,278,889-648,047,770,891.57

Finding the Fourth Proportional to 1,856,797,360,312.30, 2,786,468,278,889 and 648,047,770,891.57

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Solution

The fourth proportional to 1,856,797,360,312.30, 2,786,468,278,889 and 648,047,770,891.57 is: 972,515,685,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,797,360,312.30 : 2,786,468,278,889 = 648,047,770,891.57 : x
  2. Step 2: Convert to fraction form
    1,856,797,360,312.30/2,786,468,278,889 = 648,047,770,891.57/x
  3. Step 3: Cross multiply
    1,856,797,360,312.30x = 2,786,468,278,889 × 648,047,770,891.57
  4. Step 4: Simplify right side
    1,856,797,360,312.30x = 1,805,764,556,794,085,838,422,016
  5. Step 5: Solve for x
    x = 1,805,764,556,794,085,838,422,016/1,856,797,360,312.30
  6. Step 6: Final answer
    x = 972,515,685,012.81

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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.