Home / 1,085,766,621.30-1,628,712,917.55-309,469,101.30

Finding the Fourth Proportional to 1,085,766,621.30, 1,628,712,917.55 and 309,469,101.30

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Solution

The fourth proportional to 1,085,766,621.30, 1,628,712,917.55 and 309,469,101.30 is: 464,221,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,766,621.30 : 1,628,712,917.55 = 309,469,101.30 : x
  2. Step 2: Convert to fraction form
    1,085,766,621.30/1,628,712,917.55 = 309,469,101.30/x
  3. Step 3: Cross multiply
    1,085,766,621.30x = 1,628,712,917.55 × 309,469,101.30
  4. Step 4: Simplify right side
    1,085,766,621.30x = 504,036,322,869,899,520
  5. Step 5: Solve for x
    x = 504,036,322,869,899,520/1,085,766,621.30
  6. Step 6: Final answer
    x = 464,221,604.33

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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.