Home / 3,491,132,315.80-4,817,864,639.28-1,905,326,050.30

Finding the Fourth Proportional to 3,491,132,315.80, 4,817,864,639.28 and 1,905,326,050.30

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Solution

The fourth proportional to 3,491,132,315.80, 4,817,864,639.28 and 1,905,326,050.30 is: 2,629,405,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,132,315.80 : 4,817,864,639.28 = 1,905,326,050.30 : x
  2. Step 2: Convert to fraction form
    3,491,132,315.80/4,817,864,639.28 = 1,905,326,050.30/x
  3. Step 3: Cross multiply
    3,491,132,315.80x = 4,817,864,639.28 × 1,905,326,050.30
  4. Step 4: Simplify right side
    3,491,132,315.80x = 9,179,603,004,039,396,352
  5. Step 5: Solve for x
    x = 9,179,603,004,039,396,352/3,491,132,315.80
  6. Step 6: Final answer
    x = 2,629,405,640.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.