Home / 39,714,353,005.72-54,805,354,229.59-21,649,470,698.31

Finding the Fourth Proportional to 39,714,353,005.72, 54,805,354,229.59 and 21,649,470,698.31

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Solution

The fourth proportional to 39,714,353,005.72, 54,805,354,229.59 and 21,649,470,698.31 is: 29,876,022,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,714,353,005.72 : 54,805,354,229.59 = 21,649,470,698.31 : x
  2. Step 2: Convert to fraction form
    39,714,353,005.72/54,805,354,229.59 = 21,649,470,698.31/x
  3. Step 3: Cross multiply
    39,714,353,005.72x = 54,805,354,229.59 × 21,649,470,698.31
  4. Step 4: Simplify right side
    39,714,353,005.72x = 1,186,506,910,503,724,384,256
  5. Step 5: Solve for x
    x = 1,186,506,910,503,724,384,256/39,714,353,005.72
  6. Step 6: Final answer
    x = 29,876,022,664.48

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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.