Home / 1,244,780,513.94-1,866,639,263.73-720,511,491.87

Finding the Fourth Proportional to 1,244,780,513.94, 1,866,639,263.73 and 720,511,491.87

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Solution

The fourth proportional to 1,244,780,513.94, 1,866,639,263.73 and 720,511,491.87 is: 1,080,459,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,780,513.94 : 1,866,639,263.73 = 720,511,491.87 : x
  2. Step 2: Convert to fraction form
    1,244,780,513.94/1,866,639,263.73 = 720,511,491.87/x
  3. Step 3: Cross multiply
    1,244,780,513.94x = 1,866,639,263.73 × 720,511,491.87
  4. Step 4: Simplify right side
    1,244,780,513.94x = 1,344,935,040,693,220,608
  5. Step 5: Solve for x
    x = 1,344,935,040,693,220,608/1,244,780,513.94
  6. Step 6: Final answer
    x = 1,080,459,587.56

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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.