Home / 860,056,659.87-1,289,267,604.01-548,289,306.80

Finding the Fourth Proportional to 860,056,659.87, 1,289,267,604.01 and 548,289,306.80

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Solution

The fourth proportional to 860,056,659.87, 1,289,267,604.01 and 548,289,306.80 is: 821,912,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,056,659.87 : 1,289,267,604.01 = 548,289,306.80 : x
  2. Step 2: Convert to fraction form
    860,056,659.87/1,289,267,604.01 = 548,289,306.80/x
  3. Step 3: Cross multiply
    860,056,659.87x = 1,289,267,604.01 × 548,289,306.80
  4. Step 4: Simplify right side
    860,056,659.87x = 706,891,640,882,339,712
  5. Step 5: Solve for x
    x = 706,891,640,882,339,712/860,056,659.87
  6. Step 6: Final answer
    x = 821,912,873.73

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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.