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Finding the Fourth Proportional to 599,693,974.87, 899,357,676.56 and 211,426,003.56

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Solution

The fourth proportional to 599,693,974.87, 899,357,676.56 and 211,426,003.56 is: 317,074,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,693,974.87 : 899,357,676.56 = 211,426,003.56 : x
  2. Step 2: Convert to fraction form
    599,693,974.87/899,357,676.56 = 211,426,003.56/x
  3. Step 3: Cross multiply
    599,693,974.87x = 899,357,676.56 × 211,426,003.56
  4. Step 4: Simplify right side
    599,693,974.87x = 190,147,599,326,087,872
  5. Step 5: Solve for x
    x = 190,147,599,326,087,872/599,693,974.87
  6. Step 6: Final answer
    x = 317,074,386.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.