Home / 982,902,010.51-1,474,358,527.40-327,851,238.46

Finding the Fourth Proportional to 982,902,010.51, 1,474,358,527.40 and 327,851,238.46

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Solution

The fourth proportional to 982,902,010.51, 1,474,358,527.40 and 327,851,238.46 is: 491,778,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,902,010.51 : 1,474,358,527.40 = 327,851,238.46 : x
  2. Step 2: Convert to fraction form
    982,902,010.51/1,474,358,527.40 = 327,851,238.46/x
  3. Step 3: Cross multiply
    982,902,010.51x = 1,474,358,527.40 × 327,851,238.46
  4. Step 4: Simplify right side
    982,902,010.51x = 483,370,269,137,534,336
  5. Step 5: Solve for x
    x = 483,370,269,137,534,336/982,902,010.51
  6. Step 6: Final answer
    x = 491,778,696.11

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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.