Home / 659,987,815.63-989,366,279.42-222,982,884.91

Finding the Fourth Proportional to 659,987,815.63, 989,366,279.42 and 222,982,884.91

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Solution

The fourth proportional to 659,987,815.63, 989,366,279.42 and 222,982,884.91 is: 334,266,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,987,815.63 : 989,366,279.42 = 222,982,884.91 : x
  2. Step 2: Convert to fraction form
    659,987,815.63/989,366,279.42 = 222,982,884.91/x
  3. Step 3: Cross multiply
    659,987,815.63x = 989,366,279.42 × 222,982,884.91
  4. Step 4: Simplify right side
    659,987,815.63x = 220,611,747,216,629,824
  5. Step 5: Solve for x
    x = 220,611,747,216,629,824/659,987,815.63
  6. Step 6: Final answer
    x = 334,266,394.00

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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.