Home / 38,842,203,463.56-53,601,670,325.39-21,695,306,978.79

Finding the Fourth Proportional to 38,842,203,463.56, 53,601,670,325.39 and 21,695,306,978.79

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Solution

The fourth proportional to 38,842,203,463.56, 53,601,670,325.39 and 21,695,306,978.79 is: 29,939,205,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,842,203,463.56 : 53,601,670,325.39 = 21,695,306,978.79 : x
  2. Step 2: Convert to fraction form
    38,842,203,463.56/53,601,670,325.39 = 21,695,306,978.79/x
  3. Step 3: Cross multiply
    38,842,203,463.56x = 53,601,670,325.39 × 21,695,306,978.79
  4. Step 4: Simplify right side
    38,842,203,463.56x = 1,162,904,692,285,126,082,560
  5. Step 5: Solve for x
    x = 1,162,904,692,285,126,082,560/38,842,203,463.56
  6. Step 6: Final answer
    x = 29,939,205,003.55

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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.