Home / 819,413,796.48-1,229,524,266.96-382,651,003.54

Finding the Fourth Proportional to 819,413,796.48, 1,229,524,266.96 and 382,651,003.54

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Solution

The fourth proportional to 819,413,796.48, 1,229,524,266.96 and 382,651,003.54 is: 574,164,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,413,796.48 : 1,229,524,266.96 = 382,651,003.54 : x
  2. Step 2: Convert to fraction form
    819,413,796.48/1,229,524,266.96 = 382,651,003.54/x
  3. Step 3: Cross multiply
    819,413,796.48x = 1,229,524,266.96 × 382,651,003.54
  4. Step 4: Simplify right side
    819,413,796.48x = 470,478,694,628,167,936
  5. Step 5: Solve for x
    x = 470,478,694,628,167,936/819,413,796.48
  6. Step 6: Final answer
    x = 574,164,966.04

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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.