Home / 2,198,408,085.70-3,297,612,128.55-744,385,509.70

Finding the Fourth Proportional to 2,198,408,085.70, 3,297,612,128.55 and 744,385,509.70

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Solution

The fourth proportional to 2,198,408,085.70, 3,297,612,128.55 and 744,385,509.70 is: 1,116,578,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,408,085.70 : 3,297,612,128.55 = 744,385,509.70 : x
  2. Step 2: Convert to fraction form
    2,198,408,085.70/3,297,612,128.55 = 744,385,509.70/x
  3. Step 3: Cross multiply
    2,198,408,085.70x = 3,297,612,128.55 × 744,385,509.70
  4. Step 4: Simplify right side
    2,198,408,085.70x = 2,454,694,685,103,593,984
  5. Step 5: Solve for x
    x = 2,454,694,685,103,593,984/2,198,408,085.70
  6. Step 6: Final answer
    x = 1,116,578,264.55

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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.