Home / 659,987,800.38-989,366,256.56-222,982,869.65

Finding the Fourth Proportional to 659,987,800.38, 989,366,256.56 and 222,982,869.65

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Solution

The fourth proportional to 659,987,800.38, 989,366,256.56 and 222,982,869.65 is: 334,266,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,987,800.38 : 989,366,256.56 = 222,982,869.65 : x
  2. Step 2: Convert to fraction form
    659,987,800.38/989,366,256.56 = 222,982,869.65/x
  3. Step 3: Cross multiply
    659,987,800.38x = 989,366,256.56 × 222,982,869.65
  4. Step 4: Simplify right side
    659,987,800.38x = 220,611,727,018,237,568
  5. Step 5: Solve for x
    x = 220,611,727,018,237,568/659,987,800.38
  6. Step 6: Final answer
    x = 334,266,371.12

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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.