Home / 620,062,511.40-930,093,767.10-413,438,250.60

Finding the Fourth Proportional to 620,062,511.40, 930,093,767.10 and 413,438,250.60

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Solution

The fourth proportional to 620,062,511.40, 930,093,767.10 and 413,438,250.60 is: 620,157,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,062,511.40 : 930,093,767.10 = 413,438,250.60 : x
  2. Step 2: Convert to fraction form
    620,062,511.40/930,093,767.10 = 413,438,250.60/x
  3. Step 3: Cross multiply
    620,062,511.40x = 930,093,767.10 × 413,438,250.60
  4. Step 4: Simplify right side
    620,062,511.40x = 384,536,339,963,787,840
  5. Step 5: Solve for x
    x = 384,536,339,963,787,840/620,062,511.40
  6. Step 6: Final answer
    x = 620,157,375.90

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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.