Home / 380,184,571.44-524,594,780.61-221,440,820.04

Finding the Fourth Proportional to 380,184,571.44, 524,594,780.61 and 221,440,820.04

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Solution

The fourth proportional to 380,184,571.44, 524,594,780.61 and 221,440,820.04 is: 305,553,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,184,571.44 : 524,594,780.61 = 221,440,820.04 : x
  2. Step 2: Convert to fraction form
    380,184,571.44/524,594,780.61 = 221,440,820.04/x
  3. Step 3: Cross multiply
    380,184,571.44x = 524,594,780.61 × 221,440,820.04
  4. Step 4: Simplify right side
    380,184,571.44x = 116,166,698,406,982,288
  5. Step 5: Solve for x
    x = 116,166,698,406,982,288/380,184,571.44
  6. Step 6: Final answer
    x = 305,553,426.24

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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.