Home / 7,789,136,577.96-11,683,794,620.88-2,815,236,179.40

Finding the Fourth Proportional to 7,789,136,577.96, 11,683,794,620.88 and 2,815,236,179.40

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Solution

The fourth proportional to 7,789,136,577.96, 11,683,794,620.88 and 2,815,236,179.40 is: 4,222,886,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789,136,577.96 : 11,683,794,620.88 = 2,815,236,179.40 : x
  2. Step 2: Convert to fraction form
    7,789,136,577.96/11,683,794,620.88 = 2,815,236,179.40/x
  3. Step 3: Cross multiply
    7,789,136,577.96x = 11,683,794,620.88 × 2,815,236,179.40
  4. Step 4: Simplify right side
    7,789,136,577.96x = 32,892,641,329,380,483,072
  5. Step 5: Solve for x
    x = 32,892,641,329,380,483,072/7,789,136,577.96
  6. Step 6: Final answer
    x = 4,222,886,708.97

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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.