Home / 1,244,780,515.44-1,866,639,265.98-720,511,493.37

Finding the Fourth Proportional to 1,244,780,515.44, 1,866,639,265.98 and 720,511,493.37

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Solution

The fourth proportional to 1,244,780,515.44, 1,866,639,265.98 and 720,511,493.37 is: 1,080,459,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,780,515.44 : 1,866,639,265.98 = 720,511,493.37 : x
  2. Step 2: Convert to fraction form
    1,244,780,515.44/1,866,639,265.98 = 720,511,493.37/x
  3. Step 3: Cross multiply
    1,244,780,515.44x = 1,866,639,265.98 × 720,511,493.37
  4. Step 4: Simplify right side
    1,244,780,515.44x = 1,344,935,045,114,330,368
  5. Step 5: Solve for x
    x = 1,344,935,045,114,330,368/1,244,780,515.44
  6. Step 6: Final answer
    x = 1,080,459,589.81

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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.