Home / 727,620,200.80-1,091,477,540.40-383,246,432.80

Finding the Fourth Proportional to 727,620,200.80, 1,091,477,540.40 and 383,246,432.80

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Solution

The fourth proportional to 727,620,200.80, 1,091,477,540.40 and 383,246,432.80 is: 574,894,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,620,200.80 : 1,091,477,540.40 = 383,246,432.80 : x
  2. Step 2: Convert to fraction form
    727,620,200.80/1,091,477,540.40 = 383,246,432.80/x
  3. Step 3: Cross multiply
    727,620,200.80x = 1,091,477,540.40 × 383,246,432.80
  4. Step 4: Simplify right side
    727,620,200.80x = 418,304,873,839,617,920
  5. Step 5: Solve for x
    x = 418,304,873,839,617,920/727,620,200.80
  6. Step 6: Final answer
    x = 574,894,530.66

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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.