Home / 380,184,575.94-524,594,786.82-221,440,824.54

Finding the Fourth Proportional to 380,184,575.94, 524,594,786.82 and 221,440,824.54

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Solution

The fourth proportional to 380,184,575.94, 524,594,786.82 and 221,440,824.54 is: 305,553,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,184,575.94 : 524,594,786.82 = 221,440,824.54 : x
  2. Step 2: Convert to fraction form
    380,184,575.94/524,594,786.82 = 221,440,824.54/x
  3. Step 3: Cross multiply
    380,184,575.94x = 524,594,786.82 × 221,440,824.54
  4. Step 4: Simplify right side
    380,184,575.94x = 116,166,702,142,806,320
  5. Step 5: Solve for x
    x = 116,166,702,142,806,320/380,184,575.94
  6. Step 6: Final answer
    x = 305,553,432.45

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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.