Home / 38,404,498,554.89-52,997,057,450.53-21,258,054,659.65

Finding the Fourth Proportional to 38,404,498,554.89, 52,997,057,450.53 and 21,258,054,659.65

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Solution

The fourth proportional to 38,404,498,554.89, 52,997,057,450.53 and 21,258,054,659.65 is: 29,335,478,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404,498,554.89 : 52,997,057,450.53 = 21,258,054,659.65 : x
  2. Step 2: Convert to fraction form
    38,404,498,554.89/52,997,057,450.53 = 21,258,054,659.65/x
  3. Step 3: Cross multiply
    38,404,498,554.89x = 52,997,057,450.53 × 21,258,054,659.65
  4. Step 4: Simplify right side
    38,404,498,554.89x = 1,126,614,344,083,978,059,776
  5. Step 5: Solve for x
    x = 1,126,614,344,083,978,059,776/38,404,498,554.89
  6. Step 6: Final answer
    x = 29,335,478,563.11

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Double scale
Find fourth proportional to 38,404,498,555.89, 52,997,057,451.91 and 21,258,054,660.65
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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.