Home / 5,878,686,605.72-8,819,306,787.84-2,147,972,003.60

Finding the Fourth Proportional to 5,878,686,605.72, 8,819,306,787.84 and 2,147,972,003.60

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Solution

The fourth proportional to 5,878,686,605.72, 8,819,306,787.84 and 2,147,972,003.60 is: 3,222,424,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878,686,605.72 : 8,819,306,787.84 = 2,147,972,003.60 : x
  2. Step 2: Convert to fraction form
    5,878,686,605.72/8,819,306,787.84 = 2,147,972,003.60/x
  3. Step 3: Cross multiply
    5,878,686,605.72x = 8,819,306,787.84 × 2,147,972,003.60
  4. Step 4: Simplify right side
    5,878,686,605.72x = 18,943,624,071,439,765,504
  5. Step 5: Solve for x
    x = 18,943,624,071,439,765,504/5,878,686,605.72
  6. Step 6: Final answer
    x = 3,222,424,555.34

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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.