Home / 470,162,846.26-648,786,161.56-276,790,869.50

Finding the Fourth Proportional to 470,162,846.26, 648,786,161.56 and 276,790,869.50

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Solution

The fourth proportional to 470,162,846.26, 648,786,161.56 and 276,790,869.50 is: 381,948,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,162,846.26 : 648,786,161.56 = 276,790,869.50 : x
  2. Step 2: Convert to fraction form
    470,162,846.26/648,786,161.56 = 276,790,869.50/x
  3. Step 3: Cross multiply
    470,162,846.26x = 648,786,161.56 × 276,790,869.50
  4. Step 4: Simplify right side
    470,162,846.26x = 179,578,085,773,131,968
  5. Step 5: Solve for x
    x = 179,578,085,773,131,968/470,162,846.26
  6. Step 6: Final answer
    x = 381,948,695.44

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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.