Home / 628,317,543.39-942,160,993.42-366,086,839.29

Finding the Fourth Proportional to 628,317,543.39, 942,160,993.42 and 366,086,839.29

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Solution

The fourth proportional to 628,317,543.39, 942,160,993.42 and 366,086,839.29 is: 548,946,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,317,543.39 : 942,160,993.42 = 366,086,839.29 : x
  2. Step 2: Convert to fraction form
    628,317,543.39/942,160,993.42 = 366,086,839.29/x
  3. Step 3: Cross multiply
    628,317,543.39x = 942,160,993.42 × 366,086,839.29
  4. Step 4: Simplify right side
    628,317,543.39x = 344,912,740,183,454,272
  5. Step 5: Solve for x
    x = 344,912,740,183,454,272/628,317,543.39
  6. Step 6: Final answer
    x = 548,946,537.96

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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.