Home / 28,797,647,903.18-39,739,856,567.34-15,936,514,051.53

Finding the Fourth Proportional to 28,797,647,903.18, 39,739,856,567.34 and 15,936,514,051.53

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Solution

The fourth proportional to 28,797,647,903.18, 39,739,856,567.34 and 15,936,514,051.53 is: 21,991,892,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797,647,903.18 : 39,739,856,567.34 = 15,936,514,051.53 : x
  2. Step 2: Convert to fraction form
    28,797,647,903.18/39,739,856,567.34 = 15,936,514,051.53/x
  3. Step 3: Cross multiply
    28,797,647,903.18x = 39,739,856,567.34 × 15,936,514,051.53
  4. Step 4: Simplify right side
    28,797,647,903.18x = 633,314,782,591,121,096,704
  5. Step 5: Solve for x
    x = 633,314,782,591,121,096,704/28,797,647,903.18
  6. Step 6: Final answer
    x = 21,991,892,696.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.