Home / 279,936,037.70-419,904,056.55-235,594,175.30

Finding the Fourth Proportional to 279,936,037.70, 419,904,056.55 and 235,594,175.30

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Solution

The fourth proportional to 279,936,037.70, 419,904,056.55 and 235,594,175.30 is: 353,391,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,037.70 : 419,904,056.55 = 235,594,175.30 : x
  2. Step 2: Convert to fraction form
    279,936,037.70/419,904,056.55 = 235,594,175.30/x
  3. Step 3: Cross multiply
    279,936,037.70x = 419,904,056.55 × 235,594,175.30
  4. Step 4: Simplify right side
    279,936,037.70x = 98,926,949,908,021,824
  5. Step 5: Solve for x
    x = 98,926,949,908,021,824/279,936,037.70
  6. Step 6: Final answer
    x = 353,391,262.95

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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.