Home / 21,516,578,744.43-29,692,981,797.87-11,871,308,228.42

Finding the Fourth Proportional to 21,516,578,744.43, 29,692,981,797.87 and 11,871,308,228.42

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Solution

The fourth proportional to 21,516,578,744.43, 29,692,981,797.87 and 11,871,308,228.42 is: 16,382,462,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516,578,744.43 : 29,692,981,797.87 = 11,871,308,228.42 : x
  2. Step 2: Convert to fraction form
    21,516,578,744.43/29,692,981,797.87 = 11,871,308,228.42/x
  3. Step 3: Cross multiply
    21,516,578,744.43x = 29,692,981,797.87 × 11,871,308,228.42
  4. Step 4: Simplify right side
    21,516,578,744.43x = 352,494,539,143,230,980,096
  5. Step 5: Solve for x
    x = 352,494,539,143,230,980,096/21,516,578,744.43
  6. Step 6: Final answer
    x = 16,382,462,255.27

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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.