Home / 2,455,056,970.80-3,682,585,456.20-1,680,215,992.80

Finding the Fourth Proportional to 2,455,056,970.80, 3,682,585,456.20 and 1,680,215,992.80

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Solution

The fourth proportional to 2,455,056,970.80, 3,682,585,456.20 and 1,680,215,992.80 is: 2,520,323,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455,056,970.80 : 3,682,585,456.20 = 1,680,215,992.80 : x
  2. Step 2: Convert to fraction form
    2,455,056,970.80/3,682,585,456.20 = 1,680,215,992.80/x
  3. Step 3: Cross multiply
    2,455,056,970.80x = 3,682,585,456.20 × 1,680,215,992.80
  4. Step 4: Simplify right side
    2,455,056,970.80x = 6,187,538,978,359,923,712
  5. Step 5: Solve for x
    x = 6,187,538,978,359,923,712/2,455,056,970.80
  6. Step 6: Final answer
    x = 2,520,323,989.20

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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.