Home / 319,571,001.20-479,508,133.80-221,353,735.52

Finding the Fourth Proportional to 319,571,001.20, 479,508,133.80 and 221,353,735.52

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Solution

The fourth proportional to 319,571,001.20, 479,508,133.80 and 221,353,735.52 is: 332,135,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,571,001.20 : 479,508,133.80 = 221,353,735.52 : x
  2. Step 2: Convert to fraction form
    319,571,001.20/479,508,133.80 = 221,353,735.52/x
  3. Step 3: Cross multiply
    319,571,001.20x = 479,508,133.80 × 221,353,735.52
  4. Step 4: Simplify right side
    319,571,001.20x = 106,140,916,628,853,984
  5. Step 5: Solve for x
    x = 106,140,916,628,853,984/319,571,001.20
  6. Step 6: Final answer
    x = 332,135,632.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.