Home / 393,296,835.60-589,889,266.20-134,523,997.20

Finding the Fourth Proportional to 393,296,835.60, 589,889,266.20 and 134,523,997.20

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Solution

The fourth proportional to 393,296,835.60, 589,889,266.20 and 134,523,997.20 is: 201,766,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,296,835.60 : 589,889,266.20 = 134,523,997.20 : x
  2. Step 2: Convert to fraction form
    393,296,835.60/589,889,266.20 = 134,523,997.20/x
  3. Step 3: Cross multiply
    393,296,835.60x = 589,889,266.20 × 134,523,997.20
  4. Step 4: Simplify right side
    393,296,835.60x = 79,354,261,994,598,848
  5. Step 5: Solve for x
    x = 79,354,261,994,598,848/393,296,835.60
  6. Step 6: Final answer
    x = 201,766,845.83

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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.