Home / 7,557,581,539.40-11,328,058,209.90-2,647,728,048.20

Finding the Fourth Proportional to 7,557,581,539.40, 11,328,058,209.90 and 2,647,728,048.20

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Solution

The fourth proportional to 7,557,581,539.40, 11,328,058,209.90 and 2,647,728,048.20 is: 3,968,679,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557,581,539.40 : 11,328,058,209.90 = 2,647,728,048.20 : x
  2. Step 2: Convert to fraction form
    7,557,581,539.40/11,328,058,209.90 = 2,647,728,048.20/x
  3. Step 3: Cross multiply
    7,557,581,539.40x = 11,328,058,209.90 × 2,647,728,048.20
  4. Step 4: Simplify right side
    7,557,581,539.40x = 29,993,617,453,994,508,288
  5. Step 5: Solve for x
    x = 29,993,617,453,994,508,288/7,557,581,539.40
  6. Step 6: Final answer
    x = 3,968,679,305.36

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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.