Home / 488,109,262.88-673,632,325.30-276,453,745.31

Finding the Fourth Proportional to 488,109,262.88, 673,632,325.30 and 276,453,745.31

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Solution

The fourth proportional to 488,109,262.88, 673,632,325.30 and 276,453,745.31 is: 381,529,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,109,262.88 : 673,632,325.30 = 276,453,745.31 : x
  2. Step 2: Convert to fraction form
    488,109,262.88/673,632,325.30 = 276,453,745.31/x
  3. Step 3: Cross multiply
    488,109,262.88x = 673,632,325.30 × 276,453,745.31
  4. Step 4: Simplify right side
    488,109,262.88x = 186,228,179,291,461,888
  5. Step 5: Solve for x
    x = 186,228,179,291,461,888/488,109,262.88
  6. Step 6: Final answer
    x = 381,529,697.25

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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.