Home / 659,987,815.38-989,366,279.04-222,982,884.66

Finding the Fourth Proportional to 659,987,815.38, 989,366,279.04 and 222,982,884.66

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Solution

The fourth proportional to 659,987,815.38, 989,366,279.04 and 222,982,884.66 is: 334,266,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,987,815.38 : 989,366,279.04 = 222,982,884.66 : x
  2. Step 2: Convert to fraction form
    659,987,815.38/989,366,279.04 = 222,982,884.66/x
  3. Step 3: Cross multiply
    659,987,815.38x = 989,366,279.04 × 222,982,884.66
  4. Step 4: Simplify right side
    659,987,815.38x = 220,611,746,885,669,696
  5. Step 5: Solve for x
    x = 220,611,746,885,669,696/659,987,815.38
  6. Step 6: Final answer
    x = 334,266,393.63

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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.