Home / 1,002,512,136.78-1,503,766,137.51-565,614,490.14

Finding the Fourth Proportional to 1,002,512,136.78, 1,503,766,137.51 and 565,614,490.14

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Solution

The fourth proportional to 1,002,512,136.78, 1,503,766,137.51 and 565,614,490.14 is: 848,420,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,512,136.78 : 1,503,766,137.51 = 565,614,490.14 : x
  2. Step 2: Convert to fraction form
    1,002,512,136.78/1,503,766,137.51 = 565,614,490.14/x
  3. Step 3: Cross multiply
    1,002,512,136.78x = 1,503,766,137.51 × 565,614,490.14
  4. Step 4: Simplify right side
    1,002,512,136.78x = 850,551,917,157,515,776
  5. Step 5: Solve for x
    x = 850,551,917,157,515,776/1,002,512,136.78
  6. Step 6: Final answer
    x = 848,420,568.64

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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.