Home / 2,660,109,076.80-3,990,163,615.20-1,680,557,025.60

Finding the Fourth Proportional to 2,660,109,076.80, 3,990,163,615.20 and 1,680,557,025.60

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Solution

The fourth proportional to 2,660,109,076.80, 3,990,163,615.20 and 1,680,557,025.60 is: 2,520,835,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,109,076.80 : 3,990,163,615.20 = 1,680,557,025.60 : x
  2. Step 2: Convert to fraction form
    2,660,109,076.80/3,990,163,615.20 = 1,680,557,025.60/x
  3. Step 3: Cross multiply
    2,660,109,076.80x = 3,990,163,615.20 × 1,680,557,025.60
  4. Step 4: Simplify right side
    2,660,109,076.80x = 6,705,697,496,817,854,464
  5. Step 5: Solve for x
    x = 6,705,697,496,817,854,464/2,660,109,076.80
  6. Step 6: Final answer
    x = 2,520,835,538.40

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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.