Home / 552,876,605.68-762,955,997.16-317,921,668.24

Finding the Fourth Proportional to 552,876,605.68, 762,955,997.16 and 317,921,668.24

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Solution

The fourth proportional to 552,876,605.68, 762,955,997.16 and 317,921,668.24 is: 438,724,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,876,605.68 : 762,955,997.16 = 317,921,668.24 : x
  2. Step 2: Convert to fraction form
    552,876,605.68/762,955,997.16 = 317,921,668.24/x
  3. Step 3: Cross multiply
    552,876,605.68x = 762,955,997.16 × 317,921,668.24
  4. Step 4: Simplify right side
    552,876,605.68x = 242,560,243,410,819,904
  5. Step 5: Solve for x
    x = 242,560,243,410,819,904/552,876,605.68
  6. Step 6: Final answer
    x = 438,724,013.49

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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.