Home / 12,268,408,060.22-18,376,840,752.75-7,784,194,498.31

Finding the Fourth Proportional to 12,268,408,060.22, 18,376,840,752.75 and 7,784,194,498.31

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Solution

The fourth proportional to 12,268,408,060.22, 18,376,840,752.75 and 7,784,194,498.31 is: 11,659,940,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,408,060.22 : 18,376,840,752.75 = 7,784,194,498.31 : x
  2. Step 2: Convert to fraction form
    12,268,408,060.22/18,376,840,752.75 = 7,784,194,498.31/x
  3. Step 3: Cross multiply
    12,268,408,060.22x = 18,376,840,752.75 × 7,784,194,498.31
  4. Step 4: Simplify right side
    12,268,408,060.22x = 143,048,902,683,921,498,112
  5. Step 5: Solve for x
    x = 143,048,902,683,921,498,112/12,268,408,060.22
  6. Step 6: Final answer
    x = 11,659,940,065.72

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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.