Home / 18,662,858,937.68-27,994,315,349.72-7,621,375,001.20

Finding the Fourth Proportional to 18,662,858,937.68, 27,994,315,349.72 and 7,621,375,001.20

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Solution

The fourth proportional to 18,662,858,937.68, 27,994,315,349.72 and 7,621,375,001.20 is: 11,432,073,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,858,937.68 : 27,994,315,349.72 = 7,621,375,001.20 : x
  2. Step 2: Convert to fraction form
    18,662,858,937.68/27,994,315,349.72 = 7,621,375,001.20/x
  3. Step 3: Cross multiply
    18,662,858,937.68x = 27,994,315,349.72 × 7,621,375,001.20
  4. Step 4: Simplify right side
    18,662,858,937.68x = 213,355,175,182,065,434,624
  5. Step 5: Solve for x
    x = 213,355,175,182,065,434,624/18,662,858,937.68
  6. Step 6: Final answer
    x = 11,432,073,504.63

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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.