Home / 12,268,408,052.29-18,376,840,740.86-7,784,194,490.40

Finding the Fourth Proportional to 12,268,408,052.29, 18,376,840,740.86 and 7,784,194,490.40

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Solution

The fourth proportional to 12,268,408,052.29, 18,376,840,740.86 and 7,784,194,490.40 is: 11,659,940,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,408,052.29 : 18,376,840,740.86 = 7,784,194,490.40 : x
  2. Step 2: Convert to fraction form
    12,268,408,052.29/18,376,840,740.86 = 7,784,194,490.40/x
  3. Step 3: Cross multiply
    12,268,408,052.29x = 18,376,840,740.86 × 7,784,194,490.40
  4. Step 4: Simplify right side
    12,268,408,052.29x = 143,048,902,445,960,658,944
  5. Step 5: Solve for x
    x = 143,048,902,445,960,658,944/12,268,408,052.29
  6. Step 6: Final answer
    x = 11,659,940,053.86

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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.