Home / 551,143,405-826,428,070.86-259,932,333.88

Finding the Fourth Proportional to 551,143,405, 826,428,070.86 and 259,932,333.88

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Solution

The fourth proportional to 551,143,405, 826,428,070.86 and 259,932,333.88 is: 389,763,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,143,405 : 826,428,070.86 = 259,932,333.88 : x
  2. Step 2: Convert to fraction form
    551,143,405/826,428,070.86 = 259,932,333.88/x
  3. Step 3: Cross multiply
    551,143,405x = 826,428,070.86 × 259,932,333.88
  4. Step 4: Simplify right side
    551,143,405x = 214,815,377,242,585,824
  5. Step 5: Solve for x
    x = 214,815,377,242,585,824/551,143,405
  6. Step 6: Final answer
    x = 389,763,127.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.