Home / 36,797,725,079.19-50,780,760,238.89-20,521,349,579.79

Finding the Fourth Proportional to 36,797,725,079.19, 50,780,760,238.89 and 20,521,349,579.79

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Solution

The fourth proportional to 36,797,725,079.19, 50,780,760,238.89 and 20,521,349,579.79 is: 28,319,406,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,797,725,079.19 : 50,780,760,238.89 = 20,521,349,579.79 : x
  2. Step 2: Convert to fraction form
    36,797,725,079.19/50,780,760,238.89 = 20,521,349,579.79/x
  3. Step 3: Cross multiply
    36,797,725,079.19x = 50,780,760,238.89 × 20,521,349,579.79
  4. Step 4: Simplify right side
    36,797,725,079.19x = 1,042,089,732,789,721,104,384
  5. Step 5: Solve for x
    x = 1,042,089,732,789,721,104,384/36,797,725,079.19
  6. Step 6: Final answer
    x = 28,319,406,445.56

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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.