Home / 280,961,010.55-421,441,515.83-280,961,010.55

Finding the Fourth Proportional to 280,961,010.55, 421,441,515.83 and 280,961,010.55

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Solution

The fourth proportional to 280,961,010.55, 421,441,515.83 and 280,961,010.55 is: 421,441,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,961,010.55 : 421,441,515.83 = 280,961,010.55 : x
  2. Step 2: Convert to fraction form
    280,961,010.55/421,441,515.83 = 280,961,010.55/x
  3. Step 3: Cross multiply
    280,961,010.55x = 421,441,515.83 × 280,961,010.55
  4. Step 4: Simplify right side
    280,961,010.55x = 118,408,634,173,915,824
  5. Step 5: Solve for x
    x = 118,408,634,173,915,824/280,961,010.55
  6. Step 6: Final answer
    x = 421,441,515.83

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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.