Home / 28,797,647,904.68-39,739,856,569.41-15,936,514,053.03

Finding the Fourth Proportional to 28,797,647,904.68, 39,739,856,569.41 and 15,936,514,053.03

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Solution

The fourth proportional to 28,797,647,904.68, 39,739,856,569.41 and 15,936,514,053.03 is: 21,991,892,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797,647,904.68 : 39,739,856,569.41 = 15,936,514,053.03 : x
  2. Step 2: Convert to fraction form
    28,797,647,904.68/39,739,856,569.41 = 15,936,514,053.03/x
  3. Step 3: Cross multiply
    28,797,647,904.68x = 39,739,856,569.41 × 15,936,514,053.03
  4. Step 4: Simplify right side
    28,797,647,904.68x = 633,314,782,683,799,093,248
  5. Step 5: Solve for x
    x = 633,314,782,683,799,093,248/28,797,647,904.68
  6. Step 6: Final answer
    x = 21,991,892,698.33

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1.5x scale

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.