Home / 982,902,011.51-1,474,358,528.90-327,851,239.46

Finding the Fourth Proportional to 982,902,011.51, 1,474,358,528.90 and 327,851,239.46

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Solution

The fourth proportional to 982,902,011.51, 1,474,358,528.90 and 327,851,239.46 is: 491,778,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,902,011.51 : 1,474,358,528.90 = 327,851,239.46 : x
  2. Step 2: Convert to fraction form
    982,902,011.51/1,474,358,528.90 = 327,851,239.46/x
  3. Step 3: Cross multiply
    982,902,011.51x = 1,474,358,528.90 × 327,851,239.46
  4. Step 4: Simplify right side
    982,902,011.51x = 483,370,271,108,287,232
  5. Step 5: Solve for x
    x = 483,370,271,108,287,232/982,902,011.51
  6. Step 6: Final answer
    x = 491,778,697.62

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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.