Home / 1,856,797,384,555.70-2,786,468,315,211.50-648,047,795,128.10

Finding the Fourth Proportional to 1,856,797,384,555.70, 2,786,468,315,211.50 and 648,047,795,128.10

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Solution

The fourth proportional to 1,856,797,384,555.70, 2,786,468,315,211.50 and 648,047,795,128.10 is: 972,515,721,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,797,384,555.70 : 2,786,468,315,211.50 = 648,047,795,128.10 : x
  2. Step 2: Convert to fraction form
    1,856,797,384,555.70/2,786,468,315,211.50 = 648,047,795,128.10/x
  3. Step 3: Cross multiply
    1,856,797,384,555.70x = 2,786,468,315,211.50 × 648,047,795,128.10
  4. Step 4: Simplify right side
    1,856,797,384,555.70x = 1,805,764,647,867,124,130,250,752
  5. Step 5: Solve for x
    x = 1,805,764,647,867,124,130,250,752/1,856,797,384,555.70
  6. Step 6: Final answer
    x = 972,515,721,363.54

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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.