Home / 15,899,481,976.68-21,942,147,984.93-9,125,246,396.52

Finding the Fourth Proportional to 15,899,481,976.68, 21,942,147,984.93 and 9,125,246,396.52

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Solution

The fourth proportional to 15,899,481,976.68, 21,942,147,984.93 and 9,125,246,396.52 is: 12,593,335,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899,481,976.68 : 21,942,147,984.93 = 9,125,246,396.52 : x
  2. Step 2: Convert to fraction form
    15,899,481,976.68/21,942,147,984.93 = 9,125,246,396.52/x
  3. Step 3: Cross multiply
    15,899,481,976.68x = 21,942,147,984.93 × 9,125,246,396.52
  4. Step 4: Simplify right side
    15,899,481,976.68x = 200,227,506,831,391,064,064
  5. Step 5: Solve for x
    x = 200,227,506,831,391,064,064/15,899,481,976.68
  6. Step 6: Final answer
    x = 12,593,335,249.86

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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.