Home / 2,138,003,136.30-3,207,004,704.45-1,403,339,097.90

Finding the Fourth Proportional to 2,138,003,136.30, 3,207,004,704.45 and 1,403,339,097.90

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Solution

The fourth proportional to 2,138,003,136.30, 3,207,004,704.45 and 1,403,339,097.90 is: 2,105,008,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,003,136.30 : 3,207,004,704.45 = 1,403,339,097.90 : x
  2. Step 2: Convert to fraction form
    2,138,003,136.30/3,207,004,704.45 = 1,403,339,097.90/x
  3. Step 3: Cross multiply
    2,138,003,136.30x = 3,207,004,704.45 × 1,403,339,097.90
  4. Step 4: Simplify right side
    2,138,003,136.30x = 4,500,515,088,903,919,104
  5. Step 5: Solve for x
    x = 4,500,515,088,903,919,104/2,138,003,136.30
  6. Step 6: Final answer
    x = 2,105,008,646.85

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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.