Home / 860,056,658.87-1,289,267,602.52-548,289,305.80

Finding the Fourth Proportional to 860,056,658.87, 1,289,267,602.52 and 548,289,305.80

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Solution

The fourth proportional to 860,056,658.87, 1,289,267,602.52 and 548,289,305.80 is: 821,912,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,056,658.87 : 1,289,267,602.52 = 548,289,305.80 : x
  2. Step 2: Convert to fraction form
    860,056,658.87/1,289,267,602.52 = 548,289,305.80/x
  3. Step 3: Cross multiply
    860,056,658.87x = 1,289,267,602.52 × 548,289,305.80
  4. Step 4: Simplify right side
    860,056,658.87x = 706,891,638,770,156,544
  5. Step 5: Solve for x
    x = 706,891,638,770,156,544/860,056,658.87
  6. Step 6: Final answer
    x = 821,912,872.23

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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.