Home / 1,325,136,980,037.90-1,987,540,954,229.60-357,121,150,569.90

Finding the Fourth Proportional to 1,325,136,980,037.90, 1,987,540,954,229.60 and 357,121,150,569.90

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Solution

The fourth proportional to 1,325,136,980,037.90, 1,987,540,954,229.60 and 357,121,150,569.90 is: 535,637,389,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,136,980,037.90 : 1,987,540,954,229.60 = 357,121,150,569.90 : x
  2. Step 2: Convert to fraction form
    1,325,136,980,037.90/1,987,540,954,229.60 = 357,121,150,569.90/x
  3. Step 3: Cross multiply
    1,325,136,980,037.90x = 1,987,540,954,229.60 × 357,121,150,569.90
  4. Step 4: Simplify right side
    1,325,136,980,037.90x = 709,792,912,379,271,756,906,496
  5. Step 5: Solve for x
    x = 709,792,912,379,271,756,906,496/1,325,136,980,037.90
  6. Step 6: Final answer
    x = 535,637,389,244.82

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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.