Home / 1,355,630,669.37-1,870,667,656.22-760,800,272.63

Finding the Fourth Proportional to 1,355,630,669.37, 1,870,667,656.22 and 760,800,272.63

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Solution

The fourth proportional to 1,355,630,669.37, 1,870,667,656.22 and 760,800,272.63 is: 1,049,846,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,630,669.37 : 1,870,667,656.22 = 760,800,272.63 : x
  2. Step 2: Convert to fraction form
    1,355,630,669.37/1,870,667,656.22 = 760,800,272.63/x
  3. Step 3: Cross multiply
    1,355,630,669.37x = 1,870,667,656.22 × 760,800,272.63
  4. Step 4: Simplify right side
    1,355,630,669.37x = 1,423,204,462,844,847,872
  5. Step 5: Solve for x
    x = 1,423,204,462,844,847,872/1,355,630,669.37
  6. Step 6: Final answer
    x = 1,049,846,757.68

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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.