Home / 1,536,028,467.20-2,119,724,905.31-831,180,455.90

Finding the Fourth Proportional to 1,536,028,467.20, 2,119,724,905.31 and 831,180,455.90

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Solution

The fourth proportional to 1,536,028,467.20, 2,119,724,905.31 and 831,180,455.90 is: 1,147,032,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,028,467.20 : 2,119,724,905.31 = 831,180,455.90 : x
  2. Step 2: Convert to fraction form
    1,536,028,467.20/2,119,724,905.31 = 831,180,455.90/x
  3. Step 3: Cross multiply
    1,536,028,467.20x = 2,119,724,905.31 × 831,180,455.90
  4. Step 4: Simplify right side
    1,536,028,467.20x = 1,761,873,913,178,150,144
  5. Step 5: Solve for x
    x = 1,761,873,913,178,150,144/1,536,028,467.20
  6. Step 6: Final answer
    x = 1,147,032,070.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.