Home / 1,328,850,230.40-1,993,086,388.80-455,491,900.80

Finding the Fourth Proportional to 1,328,850,230.40, 1,993,086,388.80 and 455,491,900.80

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Solution

The fourth proportional to 1,328,850,230.40, 1,993,086,388.80 and 455,491,900.80 is: 683,173,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,850,230.40 : 1,993,086,388.80 = 455,491,900.80 : x
  2. Step 2: Convert to fraction form
    1,328,850,230.40/1,993,086,388.80 = 455,491,900.80/x
  3. Step 3: Cross multiply
    1,328,850,230.40x = 1,993,086,388.80 × 455,491,900.80
  4. Step 4: Simplify right side
    1,328,850,230.40x = 907,834,707,693,119,872
  5. Step 5: Solve for x
    x = 907,834,707,693,119,872/1,328,850,230.40
  6. Step 6: Final answer
    x = 683,173,082.21

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1.5x scale

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.