Home / 659,987,817.13-989,366,281.66-222,982,886.41

Finding the Fourth Proportional to 659,987,817.13, 989,366,281.66 and 222,982,886.41

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Solution

The fourth proportional to 659,987,817.13, 989,366,281.66 and 222,982,886.41 is: 334,266,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,987,817.13 : 989,366,281.66 = 222,982,886.41 : x
  2. Step 2: Convert to fraction form
    659,987,817.13/989,366,281.66 = 222,982,886.41/x
  3. Step 3: Cross multiply
    659,987,817.13x = 989,366,281.66 × 222,982,886.41
  4. Step 4: Simplify right side
    659,987,817.13x = 220,611,749,201,275,840
  5. Step 5: Solve for x
    x = 220,611,749,201,275,840/659,987,817.13
  6. Step 6: Final answer
    x = 334,266,396.25

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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.