Home / 1,085,976,609.28-1,628,980,049.33-309,622,271.02

Finding the Fourth Proportional to 1,085,976,609.28, 1,628,980,049.33 and 309,622,271.02

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Solution

The fourth proportional to 1,085,976,609.28, 1,628,980,049.33 and 309,622,271.02 is: 464,437,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,976,609.28 : 1,628,980,049.33 = 309,622,271.02 : x
  2. Step 2: Convert to fraction form
    1,085,976,609.28/1,628,980,049.33 = 309,622,271.02/x
  3. Step 3: Cross multiply
    1,085,976,609.28x = 1,628,980,049.33 × 309,622,271.02
  4. Step 4: Simplify right side
    1,085,976,609.28x = 504,368,502,325,404,032
  5. Step 5: Solve for x
    x = 504,368,502,325,404,032/1,085,976,609.28
  6. Step 6: Final answer
    x = 464,437,721.78

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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.