Home / 395,639,449.91-545,977,289.37-226,091,758.55

Finding the Fourth Proportional to 395,639,449.91, 545,977,289.37 and 226,091,758.55

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Solution

The fourth proportional to 395,639,449.91, 545,977,289.37 and 226,091,758.55 is: 312,003,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,639,449.91 : 545,977,289.37 = 226,091,758.55 : x
  2. Step 2: Convert to fraction form
    395,639,449.91/545,977,289.37 = 226,091,758.55/x
  3. Step 3: Cross multiply
    395,639,449.91x = 545,977,289.37 × 226,091,758.55
  4. Step 4: Simplify right side
    395,639,449.91x = 123,440,965,483,390,464
  5. Step 5: Solve for x
    x = 123,440,965,483,390,464/395,639,449.91
  6. Step 6: Final answer
    x = 312,003,682.93

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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.