Home / 568,346,310.11-784,309,629.08-317,454,272.03

Finding the Fourth Proportional to 568,346,310.11, 784,309,629.08 and 317,454,272.03

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Solution

The fourth proportional to 568,346,310.11, 784,309,629.08 and 317,454,272.03 is: 438,082,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,346,310.11 : 784,309,629.08 = 317,454,272.03 : x
  2. Step 2: Convert to fraction form
    568,346,310.11/784,309,629.08 = 317,454,272.03/x
  3. Step 3: Cross multiply
    568,346,310.11x = 784,309,629.08 × 317,454,272.03
  4. Step 4: Simplify right side
    568,346,310.11x = 248,982,442,342,582,784
  5. Step 5: Solve for x
    x = 248,982,442,342,582,784/568,346,310.11
  6. Step 6: Final answer
    x = 438,082,271.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.