Home / 568,728,511.27-784,848,247.81-317,837,090.52

Finding the Fourth Proportional to 568,728,511.27, 784,848,247.81 and 317,837,090.52

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Solution

The fourth proportional to 568,728,511.27, 784,848,247.81 and 317,837,090.52 is: 438,616,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,728,511.27 : 784,848,247.81 = 317,837,090.52 : x
  2. Step 2: Convert to fraction form
    568,728,511.27/784,848,247.81 = 317,837,090.52/x
  3. Step 3: Cross multiply
    568,728,511.27x = 784,848,247.81 × 317,837,090.52
  4. Step 4: Simplify right side
    568,728,511.27x = 249,453,883,582,855,744
  5. Step 5: Solve for x
    x = 249,453,883,582,855,744/568,728,511.27
  6. Step 6: Final answer
    x = 438,616,806.86

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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.