Home / 2,590,767,407.76-3,886,162,441.67-820,146,772.27

Finding the Fourth Proportional to 2,590,767,407.76, 3,886,162,441.67 and 820,146,772.27

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Solution

The fourth proportional to 2,590,767,407.76, 3,886,162,441.67 and 820,146,772.27 is: 1,230,223,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,767,407.76 : 3,886,162,441.67 = 820,146,772.27 : x
  2. Step 2: Convert to fraction form
    2,590,767,407.76/3,886,162,441.67 = 820,146,772.27/x
  3. Step 3: Cross multiply
    2,590,767,407.76x = 3,886,162,441.67 × 820,146,772.27
  4. Step 4: Simplify right side
    2,590,767,407.76x = 3,187,223,583,046,170,624
  5. Step 5: Solve for x
    x = 3,187,223,583,046,170,624/2,590,767,407.76
  6. Step 6: Final answer
    x = 1,230,223,745.09

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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.