Home / 1,022,511,374,763.20-1,533,767,062,144.80-426,698,839,620.80

Finding the Fourth Proportional to 1,022,511,374,763.20, 1,533,767,062,144.80 and 426,698,839,620.80

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Solution

The fourth proportional to 1,022,511,374,763.20, 1,533,767,062,144.80 and 426,698,839,620.80 is: 640,048,259,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,511,374,763.20 : 1,533,767,062,144.80 = 426,698,839,620.80 : x
  2. Step 2: Convert to fraction form
    1,022,511,374,763.20/1,533,767,062,144.80 = 426,698,839,620.80/x
  3. Step 3: Cross multiply
    1,022,511,374,763.20x = 1,533,767,062,144.80 × 426,698,839,620.80
  4. Step 4: Simplify right side
    1,022,511,374,763.20x = 654,456,625,665,789,598,367,744
  5. Step 5: Solve for x
    x = 654,456,625,665,789,598,367,744/1,022,511,374,763.20
  6. Step 6: Final answer
    x = 640,048,259,431.20

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Double scale
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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.