Home / 1,027,317,630.80-1,540,976,446.20-659,985,611.60

Finding the Fourth Proportional to 1,027,317,630.80, 1,540,976,446.20 and 659,985,611.60

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Solution

The fourth proportional to 1,027,317,630.80, 1,540,976,446.20 and 659,985,611.60 is: 989,978,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,317,630.80 : 1,540,976,446.20 = 659,985,611.60 : x
  2. Step 2: Convert to fraction form
    1,027,317,630.80/1,540,976,446.20 = 659,985,611.60/x
  3. Step 3: Cross multiply
    1,027,317,630.80x = 1,540,976,446.20 × 659,985,611.60
  4. Step 4: Simplify right side
    1,027,317,630.80x = 1,017,022,282,306,501,504
  5. Step 5: Solve for x
    x = 1,017,022,282,306,501,504/1,027,317,630.80
  6. Step 6: Final answer
    x = 989,978,417.40

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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.