Home / 1,244,145,917.39-1,866,206,101.77-719,180,987.00

Finding the Fourth Proportional to 1,244,145,917.39, 1,866,206,101.77 and 719,180,987.00

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Solution

The fourth proportional to 1,244,145,917.39, 1,866,206,101.77 and 719,180,987.00 is: 1,078,764,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,145,917.39 : 1,866,206,101.77 = 719,180,987.00 : x
  2. Step 2: Convert to fraction form
    1,244,145,917.39/1,866,206,101.77 = 719,180,987.00/x
  3. Step 3: Cross multiply
    1,244,145,917.39x = 1,866,206,101.77 × 719,180,987.00
  4. Step 4: Simplify right side
    1,244,145,917.39x = 1,342,139,946,207,040,000
  5. Step 5: Solve for x
    x = 1,342,139,946,207,040,000/1,244,145,917.39
  6. Step 6: Final answer
    x = 1,078,764,096.28

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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.