Home / 1,019,339,899,758.90-1,408,529,123,590-725,855,300,800.75

Finding the Fourth Proportional to 1,019,339,899,758.90, 1,408,529,123,590 and 725,855,300,800.75

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Solution

The fourth proportional to 1,019,339,899,758.90, 1,408,529,123,590 and 725,855,300,800.75 is: 1,002,990,593,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,339,899,758.90 : 1,408,529,123,590 = 725,855,300,800.75 : x
  2. Step 2: Convert to fraction form
    1,019,339,899,758.90/1,408,529,123,590 = 725,855,300,800.75/x
  3. Step 3: Cross multiply
    1,019,339,899,758.90x = 1,408,529,123,590 × 725,855,300,800.75
  4. Step 4: Simplify right side
    1,019,339,899,758.90x = 1,022,388,330,690,036,187,004,928
  5. Step 5: Solve for x
    x = 1,022,388,330,690,036,187,004,928/1,019,339,899,758.90
  6. Step 6: Final answer
    x = 1,002,990,593,159.22

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Double scale
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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.