Home / 311,665,714,321.30-467,569,064,691.33-168,241,664,111.10

Finding the Fourth Proportional to 311,665,714,321.30, 467,569,064,691.33 and 168,241,664,111.10

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Solution

The fourth proportional to 311,665,714,321.30, 467,569,064,691.33 and 168,241,664,111.10 is: 252,400,549,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,665,714,321.30 : 467,569,064,691.33 = 168,241,664,111.10 : x
  2. Step 2: Convert to fraction form
    311,665,714,321.30/467,569,064,691.33 = 168,241,664,111.10/x
  3. Step 3: Cross multiply
    311,665,714,321.30x = 467,569,064,691.33 × 168,241,664,111.10
  4. Step 4: Simplify right side
    311,665,714,321.30x = 78,664,597,530,539,928,322,048
  5. Step 5: Solve for x
    x = 78,664,597,530,539,928,322,048/311,665,714,321.30
  6. Step 6: Final answer
    x = 252,400,549,421.50

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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.