Home / 987,449,794.80-1,481,174,692.20-897,051,680.70

Finding the Fourth Proportional to 987,449,794.80, 1,481,174,692.20 and 897,051,680.70

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Solution

The fourth proportional to 987,449,794.80, 1,481,174,692.20 and 897,051,680.70 is: 1,345,577,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,449,794.80 : 1,481,174,692.20 = 897,051,680.70 : x
  2. Step 2: Convert to fraction form
    987,449,794.80/1,481,174,692.20 = 897,051,680.70/x
  3. Step 3: Cross multiply
    987,449,794.80x = 1,481,174,692.20 × 897,051,680.70
  4. Step 4: Simplify right side
    987,449,794.80x = 1,328,690,247,048,315,392
  5. Step 5: Solve for x
    x = 1,328,690,247,048,315,392/987,449,794.80
  6. Step 6: Final answer
    x = 1,345,577,521.05

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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.