Home / 488,109,445.73-673,632,576.90-276,453,927.18

Finding the Fourth Proportional to 488,109,445.73, 673,632,576.90 and 276,453,927.18

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Solution

The fourth proportional to 488,109,445.73, 673,632,576.90 and 276,453,927.18 is: 381,529,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,109,445.73 : 673,632,576.90 = 276,453,927.18 : x
  2. Step 2: Convert to fraction form
    488,109,445.73/673,632,576.90 = 276,453,927.18/x
  3. Step 3: Cross multiply
    488,109,445.73x = 673,632,576.90 × 276,453,927.18
  4. Step 4: Simplify right side
    488,109,445.73x = 186,228,371,360,388,352
  5. Step 5: Solve for x
    x = 186,228,371,360,388,352/488,109,445.73
  6. Step 6: Final answer
    x = 381,529,947.83

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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.