Home / 1,647,704,944.86-2,271,669,132.60-1,189,029,590.96

Finding the Fourth Proportional to 1,647,704,944.86, 2,271,669,132.60 and 1,189,029,590.96

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Solution

The fourth proportional to 1,647,704,944.86, 2,271,669,132.60 and 1,189,029,590.96 is: 1,639,299,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,704,944.86 : 2,271,669,132.60 = 1,189,029,590.96 : x
  2. Step 2: Convert to fraction form
    1,647,704,944.86/2,271,669,132.60 = 1,189,029,590.96/x
  3. Step 3: Cross multiply
    1,647,704,944.86x = 2,271,669,132.60 × 1,189,029,590.96
  4. Step 4: Simplify right side
    1,647,704,944.86x = 2,701,081,819,531,835,904
  5. Step 5: Solve for x
    x = 2,701,081,819,531,835,904/1,647,704,944.86
  6. Step 6: Final answer
    x = 1,639,299,455.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.