Home / 291,226,190.70-436,839,286.05-245,309,688.30

Finding the Fourth Proportional to 291,226,190.70, 436,839,286.05 and 245,309,688.30

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Solution

The fourth proportional to 291,226,190.70, 436,839,286.05 and 245,309,688.30 is: 367,964,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,226,190.70 : 436,839,286.05 = 245,309,688.30 : x
  2. Step 2: Convert to fraction form
    291,226,190.70/436,839,286.05 = 245,309,688.30/x
  3. Step 3: Cross multiply
    291,226,190.70x = 436,839,286.05 × 245,309,688.30
  4. Step 4: Simplify right side
    291,226,190.70x = 107,160,909,098,120,048
  5. Step 5: Solve for x
    x = 107,160,909,098,120,048/291,226,190.70
  6. Step 6: Final answer
    x = 367,964,532.45

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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.