Home / 847,067,219.21-1,168,981,115.46-470,739,668.51

Finding the Fourth Proportional to 847,067,219.21, 1,168,981,115.46 and 470,739,668.51

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Solution

The fourth proportional to 847,067,219.21, 1,168,981,115.46 and 470,739,668.51 is: 649,636,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,067,219.21 : 1,168,981,115.46 = 470,739,668.51 : x
  2. Step 2: Convert to fraction form
    847,067,219.21/1,168,981,115.46 = 470,739,668.51/x
  3. Step 3: Cross multiply
    847,067,219.21x = 1,168,981,115.46 × 470,739,668.51
  4. Step 4: Simplify right side
    847,067,219.21x = 550,285,782,780,245,568
  5. Step 5: Solve for x
    x = 550,285,782,780,245,568/847,067,219.21
  6. Step 6: Final answer
    x = 649,636,499.09

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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.