Home / 279,907,330.05-419,860,995.08-178,122,600.45

Finding the Fourth Proportional to 279,907,330.05, 419,860,995.08 and 178,122,600.45

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Solution

The fourth proportional to 279,907,330.05, 419,860,995.08 and 178,122,600.45 is: 267,183,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,330.05 : 419,860,995.08 = 178,122,600.45 : x
  2. Step 2: Convert to fraction form
    279,907,330.05/419,860,995.08 = 178,122,600.45/x
  3. Step 3: Cross multiply
    279,907,330.05x = 419,860,995.08 × 178,122,600.45
  4. Step 4: Simplify right side
    279,907,330.05x = 74,786,732,270,283,632
  5. Step 5: Solve for x
    x = 74,786,732,270,283,632/279,907,330.05
  6. Step 6: Final answer
    x = 267,183,900.68

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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.