Home / 291,226,287.70-436,839,431.55-245,309,785.30

Finding the Fourth Proportional to 291,226,287.70, 436,839,431.55 and 245,309,785.30

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Solution

The fourth proportional to 291,226,287.70, 436,839,431.55 and 245,309,785.30 is: 367,964,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,226,287.70 : 436,839,431.55 = 245,309,785.30 : x
  2. Step 2: Convert to fraction form
    291,226,287.70/436,839,431.55 = 245,309,785.30/x
  3. Step 3: Cross multiply
    291,226,287.70x = 436,839,431.55 × 245,309,785.30
  4. Step 4: Simplify right side
    291,226,287.70x = 107,160,987,164,104,560
  5. Step 5: Solve for x
    x = 107,160,987,164,104,560/291,226,287.70
  6. Step 6: Final answer
    x = 367,964,677.95

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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.