Home / 982,902,189.57-1,474,358,796.31-327,851,417.51

Finding the Fourth Proportional to 982,902,189.57, 1,474,358,796.31 and 327,851,417.51

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Solution

The fourth proportional to 982,902,189.57, 1,474,358,796.31 and 327,851,417.51 is: 491,778,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,902,189.57 : 1,474,358,796.31 = 327,851,417.51 : x
  2. Step 2: Convert to fraction form
    982,902,189.57/1,474,358,796.31 = 327,851,417.51/x
  3. Step 3: Cross multiply
    982,902,189.57x = 1,474,358,796.31 × 327,851,417.51
  4. Step 4: Simplify right side
    982,902,189.57x = 483,370,621,288,570,816
  5. Step 5: Solve for x
    x = 483,370,621,288,570,816/982,902,189.57
  6. Step 6: Final answer
    x = 491,778,964.80

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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.