Home / 557,040,596.22-768,733,322.67-306,140,426.82

Finding the Fourth Proportional to 557,040,596.22, 768,733,322.67 and 306,140,426.82

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Solution

The fourth proportional to 557,040,596.22, 768,733,322.67 and 306,140,426.82 is: 422,483,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,040,596.22 : 768,733,322.67 = 306,140,426.82 : x
  2. Step 2: Convert to fraction form
    557,040,596.22/768,733,322.67 = 306,140,426.82/x
  3. Step 3: Cross multiply
    557,040,596.22x = 768,733,322.67 × 306,140,426.82
  4. Step 4: Simplify right side
    557,040,596.22x = 235,340,347,512,950,560
  5. Step 5: Solve for x
    x = 235,340,347,512,950,560/557,040,596.22
  6. Step 6: Final answer
    x = 422,483,296.75

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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.