Home / 568,169,790.87-783,851,222.21-329,974,427.37

Finding the Fourth Proportional to 568,169,790.87, 783,851,222.21 and 329,974,427.37

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Solution

The fourth proportional to 568,169,790.87, 783,851,222.21 and 329,974,427.37 is: 455,235,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,169,790.87 : 783,851,222.21 = 329,974,427.37 : x
  2. Step 2: Convert to fraction form
    568,169,790.87/783,851,222.21 = 329,974,427.37/x
  3. Step 3: Cross multiply
    568,169,790.87x = 783,851,222.21 × 329,974,427.37
  4. Step 4: Simplify right side
    568,169,790.87x = 258,650,858,190,369,536
  5. Step 5: Solve for x
    x = 258,650,858,190,369,536/568,169,790.87
  6. Step 6: Final answer
    x = 455,235,146.86

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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.