Home / 279,936,022.60-419,904,033.90-177,395,465.80

Finding the Fourth Proportional to 279,936,022.60, 419,904,033.90 and 177,395,465.80

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Solution

The fourth proportional to 279,936,022.60, 419,904,033.90 and 177,395,465.80 is: 266,093,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,022.60 : 419,904,033.90 = 177,395,465.80 : x
  2. Step 2: Convert to fraction form
    279,936,022.60/419,904,033.90 = 177,395,465.80/x
  3. Step 3: Cross multiply
    279,936,022.60x = 419,904,033.90 × 177,395,465.80
  4. Step 4: Simplify right side
    279,936,022.60x = 74,489,071,684,989,488
  5. Step 5: Solve for x
    x = 74,489,071,684,989,488/279,936,022.60
  6. Step 6: Final answer
    x = 266,093,198.70

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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.