Home / 572,881,635.41-789,951,054.17-386,919,796.37

Finding the Fourth Proportional to 572,881,635.41, 789,951,054.17 and 386,919,796.37

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Solution

The fourth proportional to 572,881,635.41, 789,951,054.17 and 386,919,796.37 is: 533,526,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,881,635.41 : 789,951,054.17 = 386,919,796.37 : x
  2. Step 2: Convert to fraction form
    572,881,635.41/789,951,054.17 = 386,919,796.37/x
  3. Step 3: Cross multiply
    572,881,635.41x = 789,951,054.17 × 386,919,796.37
  4. Step 4: Simplify right side
    572,881,635.41x = 305,647,701,019,788,608
  5. Step 5: Solve for x
    x = 305,647,701,019,788,608/572,881,635.41
  6. Step 6: Final answer
    x = 533,526,791.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.