Home / 1,112,530,816.20-1,668,787,929.90-336,174,976.20

Finding the Fourth Proportional to 1,112,530,816.20, 1,668,787,929.90 and 336,174,976.20

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Solution

The fourth proportional to 1,112,530,816.20, 1,668,787,929.90 and 336,174,976.20 is: 504,259,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,530,816.20 : 1,668,787,929.90 = 336,174,976.20 : x
  2. Step 2: Convert to fraction form
    1,112,530,816.20/1,668,787,929.90 = 336,174,976.20/x
  3. Step 3: Cross multiply
    1,112,530,816.20x = 1,668,787,929.90 × 336,174,976.20
  4. Step 4: Simplify right side
    1,112,530,816.20x = 561,004,742,616,979,776
  5. Step 5: Solve for x
    x = 561,004,742,616,979,776/1,112,530,816.20
  6. Step 6: Final answer
    x = 504,259,957.97

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.