Home / 279,936,272.40-419,904,408.60-150,941,763.60

Finding the Fourth Proportional to 279,936,272.40, 419,904,408.60 and 150,941,763.60

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Solution

The fourth proportional to 279,936,272.40, 419,904,408.60 and 150,941,763.60 is: 226,412,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,272.40 : 419,904,408.60 = 150,941,763.60 : x
  2. Step 2: Convert to fraction form
    279,936,272.40/419,904,408.60 = 150,941,763.60/x
  3. Step 3: Cross multiply
    279,936,272.40x = 419,904,408.60 × 150,941,763.60
  4. Step 4: Simplify right side
    279,936,272.40x = 63,381,111,977,499,008
  5. Step 5: Solve for x
    x = 63,381,111,977,499,008/279,936,272.40
  6. Step 6: Final answer
    x = 226,412,645.40

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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.