Home / 1,890,161,191.20-2,834,391,481.20-725,242,519.20

Finding the Fourth Proportional to 1,890,161,191.20, 2,834,391,481.20 and 725,242,519.20

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Solution

The fourth proportional to 1,890,161,191.20, 2,834,391,481.20 and 725,242,519.20 is: 1,087,537,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,161,191.20 : 2,834,391,481.20 = 725,242,519.20 : x
  2. Step 2: Convert to fraction form
    1,890,161,191.20/2,834,391,481.20 = 725,242,519.20/x
  3. Step 3: Cross multiply
    1,890,161,191.20x = 2,834,391,481.20 × 725,242,519.20
  4. Step 4: Simplify right side
    1,890,161,191.20x = 2,055,621,218,224,507,392
  5. Step 5: Solve for x
    x = 2,055,621,218,224,507,392/1,890,161,191.20
  6. Step 6: Final answer
    x = 1,087,537,522.09

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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.