Home / 1,813,940,586.02-2,503,231,870.02-1,020,986,105.78

Finding the Fourth Proportional to 1,813,940,586.02, 2,503,231,870.02 and 1,020,986,105.78

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Solution

The fourth proportional to 1,813,940,586.02, 2,503,231,870.02 and 1,020,986,105.78 is: 1,408,957,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,940,586.02 : 2,503,231,870.02 = 1,020,986,105.78 : x
  2. Step 2: Convert to fraction form
    1,813,940,586.02/2,503,231,870.02 = 1,020,986,105.78/x
  3. Step 3: Cross multiply
    1,813,940,586.02x = 2,503,231,870.02 × 1,020,986,105.78
  4. Step 4: Simplify right side
    1,813,940,586.02x = 2,555,764,958,836,106,752
  5. Step 5: Solve for x
    x = 2,555,764,958,836,106,752/1,813,940,586.02
  6. Step 6: Final answer
    x = 1,408,957,370.78

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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.