Home / 488,109,331.44-673,632,420.24-276,453,813.96

Finding the Fourth Proportional to 488,109,331.44, 673,632,420.24 and 276,453,813.96

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Solution

The fourth proportional to 488,109,331.44, 673,632,420.24 and 276,453,813.96 is: 381,529,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,109,331.44 : 673,632,420.24 = 276,453,813.96 : x
  2. Step 2: Convert to fraction form
    488,109,331.44/673,632,420.24 = 276,453,813.96/x
  3. Step 3: Cross multiply
    488,109,331.44x = 673,632,420.24 × 276,453,813.96
  4. Step 4: Simplify right side
    488,109,331.44x = 186,228,251,782,453,472
  5. Step 5: Solve for x
    x = 186,228,251,782,453,472/488,109,331.44
  6. Step 6: Final answer
    x = 381,529,792.17

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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.