Home / 3,899,633,219.32-5,381,493,842.78-2,228,918,233.18

Finding the Fourth Proportional to 3,899,633,219.32, 5,381,493,842.78 and 2,228,918,233.18

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Solution

The fourth proportional to 3,899,633,219.32, 5,381,493,842.78 and 2,228,918,233.18 is: 3,075,907,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,633,219.32 : 5,381,493,842.78 = 2,228,918,233.18 : x
  2. Step 2: Convert to fraction form
    3,899,633,219.32/5,381,493,842.78 = 2,228,918,233.18/x
  3. Step 3: Cross multiply
    3,899,633,219.32x = 5,381,493,842.78 × 2,228,918,233.18
  4. Step 4: Simplify right side
    3,899,633,219.32x = 11,994,909,747,918,243,840
  5. Step 5: Solve for x
    x = 11,994,909,747,918,243,840/3,899,633,219.32
  6. Step 6: Final answer
    x = 3,075,907,161.86

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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.