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Finding the Fourth Proportional to 3,179,692,996, 4,769,539,494 and 881,978,308

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Solution

The fourth proportional to 3,179,692,996, 4,769,539,494 and 881,978,308 is: 1,322,967,462

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,692,996 : 4,769,539,494 = 881,978,308 : x
  2. Step 2: Convert to fraction form
    3,179,692,996/4,769,539,494 = 881,978,308/x
  3. Step 3: Cross multiply
    3,179,692,996x = 4,769,539,494 × 881,978,308
  4. Step 4: Simplify right side
    3,179,692,996x = 4,206,630,372,857,296,384
  5. Step 5: Solve for x
    x = 4,206,630,372,857,296,384/3,179,692,996
  6. Step 6: Final answer
    x = 1,322,967,462

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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.