Home / 471,835,682.91-707,752,911.96-126,789,317.64

Finding the Fourth Proportional to 471,835,682.91, 707,752,911.96 and 126,789,317.64

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Solution

The fourth proportional to 471,835,682.91, 707,752,911.96 and 126,789,317.64 is: 190,183,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,835,682.91 : 707,752,911.96 = 126,789,317.64 : x
  2. Step 2: Convert to fraction form
    471,835,682.91/707,752,911.96 = 126,789,317.64/x
  3. Step 3: Cross multiply
    471,835,682.91x = 707,752,911.96 × 126,789,317.64
  4. Step 4: Simplify right side
    471,835,682.91x = 89,735,508,765,131,408
  5. Step 5: Solve for x
    x = 89,735,508,765,131,408/471,835,682.91
  6. Step 6: Final answer
    x = 190,183,811.90

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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.