Home / 568,728,513.11-784,848,250.35-317,837,092.37

Finding the Fourth Proportional to 568,728,513.11, 784,848,250.35 and 317,837,092.37

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Solution

The fourth proportional to 568,728,513.11, 784,848,250.35 and 317,837,092.37 is: 438,616,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,728,513.11 : 784,848,250.35 = 317,837,092.37 : x
  2. Step 2: Convert to fraction form
    568,728,513.11/784,848,250.35 = 317,837,092.37/x
  3. Step 3: Cross multiply
    568,728,513.11x = 784,848,250.35 × 317,837,092.37
  4. Step 4: Simplify right side
    568,728,513.11x = 249,453,885,839,796,192
  5. Step 5: Solve for x
    x = 249,453,885,839,796,192/568,728,513.11
  6. Step 6: Final answer
    x = 438,616,809.41

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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.