Home / 279,936,359.60-419,904,539.40-176,624,229.20

Finding the Fourth Proportional to 279,936,359.60, 419,904,539.40 and 176,624,229.20

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Solution

The fourth proportional to 279,936,359.60, 419,904,539.40 and 176,624,229.20 is: 264,936,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,359.60 : 419,904,539.40 = 176,624,229.20 : x
  2. Step 2: Convert to fraction form
    279,936,359.60/419,904,539.40 = 176,624,229.20/x
  3. Step 3: Cross multiply
    279,936,359.60x = 419,904,539.40 × 176,624,229.20
  4. Step 4: Simplify right side
    279,936,359.60x = 74,165,315,609,106,016
  5. Step 5: Solve for x
    x = 74,165,315,609,106,016/279,936,359.60
  6. Step 6: Final answer
    x = 264,936,343.80

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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.