Home / 1,328,400,302.80-1,992,600,454.20-940,660,949.20

Finding the Fourth Proportional to 1,328,400,302.80, 1,992,600,454.20 and 940,660,949.20

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Solution

The fourth proportional to 1,328,400,302.80, 1,992,600,454.20 and 940,660,949.20 is: 1,410,991,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,400,302.80 : 1,992,600,454.20 = 940,660,949.20 : x
  2. Step 2: Convert to fraction form
    1,328,400,302.80/1,992,600,454.20 = 940,660,949.20/x
  3. Step 3: Cross multiply
    1,328,400,302.80x = 1,992,600,454.20 × 940,660,949.20
  4. Step 4: Simplify right side
    1,328,400,302.80x = 1,874,361,434,624,123,392
  5. Step 5: Solve for x
    x = 1,874,361,434,624,123,392/1,328,400,302.80
  6. Step 6: Final answer
    x = 1,410,991,423.80

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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.