Home / 1,212,923,266,997.90-1,819,496,746,274.10-396,100,294,748.78

Finding the Fourth Proportional to 1,212,923,266,997.90, 1,819,496,746,274.10 and 396,100,294,748.78

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Solution

The fourth proportional to 1,212,923,266,997.90, 1,819,496,746,274.10 and 396,100,294,748.78 is: 594,186,967,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,923,266,997.90 : 1,819,496,746,274.10 = 396,100,294,748.78 : x
  2. Step 2: Convert to fraction form
    1,212,923,266,997.90/1,819,496,746,274.10 = 396,100,294,748.78/x
  3. Step 3: Cross multiply
    1,212,923,266,997.90x = 1,819,496,746,274.10 × 396,100,294,748.78
  4. Step 4: Simplify right side
    1,212,923,266,997.90x = 720,703,197,493,617,330,487,296
  5. Step 5: Solve for x
    x = 720,703,197,493,617,330,487,296/1,212,923,266,997.90
  6. Step 6: Final answer
    x = 594,186,967,224.59

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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.