Home / 1,379,003,157.20-2,068,504,735.80-862,017,352.40

Finding the Fourth Proportional to 1,379,003,157.20, 2,068,504,735.80 and 862,017,352.40

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Solution

The fourth proportional to 1,379,003,157.20, 2,068,504,735.80 and 862,017,352.40 is: 1,293,026,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,003,157.20 : 2,068,504,735.80 = 862,017,352.40 : x
  2. Step 2: Convert to fraction form
    1,379,003,157.20/2,068,504,735.80 = 862,017,352.40/x
  3. Step 3: Cross multiply
    1,379,003,157.20x = 2,068,504,735.80 × 862,017,352.40
  4. Step 4: Simplify right side
    1,379,003,157.20x = 1,783,086,975,781,177,344
  5. Step 5: Solve for x
    x = 1,783,086,975,781,177,344/1,379,003,157.20
  6. Step 6: Final answer
    x = 1,293,026,028.60

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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.