Home / 1,019,339,899,757.90-1,408,529,123,588.60-725,855,300,799.75

Finding the Fourth Proportional to 1,019,339,899,757.90, 1,408,529,123,588.60 and 725,855,300,799.75

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Solution

The fourth proportional to 1,019,339,899,757.90, 1,408,529,123,588.60 and 725,855,300,799.75 is: 1,002,990,593,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,339,899,757.90 : 1,408,529,123,588.60 = 725,855,300,799.75 : x
  2. Step 2: Convert to fraction form
    1,019,339,899,757.90/1,408,529,123,588.60 = 725,855,300,799.75/x
  3. Step 3: Cross multiply
    1,019,339,899,757.90x = 1,408,529,123,588.60 × 725,855,300,799.75
  4. Step 4: Simplify right side
    1,019,339,899,757.90x = 1,022,388,330,687,611,543,748,608
  5. Step 5: Solve for x
    x = 1,022,388,330,687,611,543,748,608/1,019,339,899,757.90
  6. Step 6: Final answer
    x = 1,002,990,593,157.82

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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.