Home / 39,940,601,154.35-55,118,059,308.68-21,629,800,969.02

Finding the Fourth Proportional to 39,940,601,154.35, 55,118,059,308.68 and 21,629,800,969.02

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Solution

The fourth proportional to 39,940,601,154.35, 55,118,059,308.68 and 21,629,800,969.02 is: 29,849,141,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940,601,154.35 : 55,118,059,308.68 = 21,629,800,969.02 : x
  2. Step 2: Convert to fraction form
    39,940,601,154.35/55,118,059,308.68 = 21,629,800,969.02/x
  3. Step 3: Cross multiply
    39,940,601,154.35x = 55,118,059,308.68 × 21,629,800,969.02
  4. Step 4: Simplify right side
    39,940,601,154.35x = 1,192,192,652,645,280,514,048
  5. Step 5: Solve for x
    x = 1,192,192,652,645,280,514,048/39,940,601,154.35
  6. Step 6: Final answer
    x = 29,849,141,429.75

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Double scale
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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.