Home / 319,951,584.45-479,209,931.33-262,555,956.45

Finding the Fourth Proportional to 319,951,584.45, 479,209,931.33 and 262,555,956.45

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Solution

The fourth proportional to 319,951,584.45, 479,209,931.33 and 262,555,956.45 is: 393,245,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,951,584.45 : 479,209,931.33 = 262,555,956.45 : x
  2. Step 2: Convert to fraction form
    319,951,584.45/479,209,931.33 = 262,555,956.45/x
  3. Step 3: Cross multiply
    319,951,584.45x = 479,209,931.33 × 262,555,956.45
  4. Step 4: Simplify right side
    319,951,584.45x = 125,819,421,859,374,176
  5. Step 5: Solve for x
    x = 125,819,421,859,374,176/319,951,584.45
  6. Step 6: Final answer
    x = 393,245,190.75

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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.