Home / 25,610,147,136.20-38,415,220,704.30-21,256,582,464.20

Finding the Fourth Proportional to 25,610,147,136.20, 38,415,220,704.30 and 21,256,582,464.20

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Solution

The fourth proportional to 25,610,147,136.20, 38,415,220,704.30 and 21,256,582,464.20 is: 31,884,873,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610,147,136.20 : 38,415,220,704.30 = 21,256,582,464.20 : x
  2. Step 2: Convert to fraction form
    25,610,147,136.20/38,415,220,704.30 = 21,256,582,464.20/x
  3. Step 3: Cross multiply
    25,610,147,136.20x = 38,415,220,704.30 × 21,256,582,464.20
  4. Step 4: Simplify right side
    25,610,147,136.20x = 816,576,306,781,396,271,104
  5. Step 5: Solve for x
    x = 816,576,306,781,396,271,104/25,610,147,136.20
  6. Step 6: Final answer
    x = 31,884,873,696.30

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1.5x scale

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.