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Finding the Fourth Proportional to 3,791,347,871.22, 5,687,271,343.53 and 993,384,926.82

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Solution

The fourth proportional to 3,791,347,871.22, 5,687,271,343.53 and 993,384,926.82 is: 1,490,142,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791,347,871.22 : 5,687,271,343.53 = 993,384,926.82 : x
  2. Step 2: Convert to fraction form
    3,791,347,871.22/5,687,271,343.53 = 993,384,926.82/x
  3. Step 3: Cross multiply
    3,791,347,871.22x = 5,687,271,343.53 × 993,384,926.82
  4. Step 4: Simplify right side
    3,791,347,871.22x = 5,649,649,627,398,032,384
  5. Step 5: Solve for x
    x = 5,649,649,627,398,032,384/3,791,347,871.22
  6. Step 6: Final answer
    x = 1,490,142,772.25

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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.