Home / 588,043,721.72-811,475,476.36-320,113,983.56

Finding the Fourth Proportional to 588,043,721.72, 811,475,476.36 and 320,113,983.56

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Solution

The fourth proportional to 588,043,721.72, 811,475,476.36 and 320,113,983.56 is: 441,743,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,043,721.72 : 811,475,476.36 = 320,113,983.56 : x
  2. Step 2: Convert to fraction form
    588,043,721.72/811,475,476.36 = 320,113,983.56/x
  3. Step 3: Cross multiply
    588,043,721.72x = 811,475,476.36 × 320,113,983.56
  4. Step 4: Simplify right side
    588,043,721.72x = 259,764,647,298,848,224
  5. Step 5: Solve for x
    x = 259,764,647,298,848,224/588,043,721.72
  6. Step 6: Final answer
    x = 441,743,764.46

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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.