Home / 568,346,309.73-784,309,628.57-317,454,271.65

Finding the Fourth Proportional to 568,346,309.73, 784,309,628.57 and 317,454,271.65

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Solution

The fourth proportional to 568,346,309.73, 784,309,628.57 and 317,454,271.65 is: 438,082,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,346,309.73 : 784,309,628.57 = 317,454,271.65 : x
  2. Step 2: Convert to fraction form
    568,346,309.73/784,309,628.57 = 317,454,271.65/x
  3. Step 3: Cross multiply
    568,346,309.73x = 784,309,628.57 × 317,454,271.65
  4. Step 4: Simplify right side
    568,346,309.73x = 248,982,441,884,184,096
  5. Step 5: Solve for x
    x = 248,982,441,884,184,096/568,346,309.73
  6. Step 6: Final answer
    x = 438,082,270.65

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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.