Home / 230,005,462,297.56-345,015,222,060.34-78,909,644,200.91

Finding the Fourth Proportional to 230,005,462,297.56, 345,015,222,060.34 and 78,909,644,200.91

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Solution

The fourth proportional to 230,005,462,297.56, 345,015,222,060.34 and 78,909,644,200.91 is: 118,366,877,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,005,462,297.56 : 345,015,222,060.34 = 78,909,644,200.91 : x
  2. Step 2: Convert to fraction form
    230,005,462,297.56/345,015,222,060.34 = 78,909,644,200.91/x
  3. Step 3: Cross multiply
    230,005,462,297.56x = 345,015,222,060.34 × 78,909,644,200.91
  4. Step 4: Simplify right side
    230,005,462,297.56x = 27,225,028,416,680,765,685,760
  5. Step 5: Solve for x
    x = 27,225,028,416,680,765,685,760/230,005,462,297.56
  6. Step 6: Final answer
    x = 118,366,877,659.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.