Home / 567,650,647.20-851,475,970.80-445,206,640.80

Finding the Fourth Proportional to 567,650,647.20, 851,475,970.80 and 445,206,640.80

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Solution

The fourth proportional to 567,650,647.20, 851,475,970.80 and 445,206,640.80 is: 667,809,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,650,647.20 : 851,475,970.80 = 445,206,640.80 : x
  2. Step 2: Convert to fraction form
    567,650,647.20/851,475,970.80 = 445,206,640.80/x
  3. Step 3: Cross multiply
    567,650,647.20x = 851,475,970.80 × 445,206,640.80
  4. Step 4: Simplify right side
    567,650,647.20x = 379,082,756,681,786,880
  5. Step 5: Solve for x
    x = 379,082,756,681,786,880/567,650,647.20
  6. Step 6: Final answer
    x = 667,809,961.20

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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.