Home / 847,067,260.89-1,168,981,172.82-470,739,710.20

Finding the Fourth Proportional to 847,067,260.89, 1,168,981,172.82 and 470,739,710.20

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Solution

The fourth proportional to 847,067,260.89, 1,168,981,172.82 and 470,739,710.20 is: 649,636,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,067,260.89 : 1,168,981,172.82 = 470,739,710.20 : x
  2. Step 2: Convert to fraction form
    847,067,260.89/1,168,981,172.82 = 470,739,710.20/x
  3. Step 3: Cross multiply
    847,067,260.89x = 1,168,981,172.82 × 470,739,710.20
  4. Step 4: Simplify right side
    847,067,260.89x = 550,285,858,522,542,848
  5. Step 5: Solve for x
    x = 550,285,858,522,542,848/847,067,260.89
  6. Step 6: Final answer
    x = 649,636,556.54

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1.5x scale

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.