Home / 632,489,202.48-872,787,443.42-384,943,197.36

Finding the Fourth Proportional to 632,489,202.48, 872,787,443.42 and 384,943,197.36

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Solution

The fourth proportional to 632,489,202.48, 872,787,443.42 and 384,943,197.36 is: 531,192,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,489,202.48 : 872,787,443.42 = 384,943,197.36 : x
  2. Step 2: Convert to fraction form
    632,489,202.48/872,787,443.42 = 384,943,197.36/x
  3. Step 3: Cross multiply
    632,489,202.48x = 872,787,443.42 × 384,943,197.36
  4. Step 4: Simplify right side
    632,489,202.48x = 335,973,589,085,754,880
  5. Step 5: Solve for x
    x = 335,973,589,085,754,880/632,489,202.48
  6. Step 6: Final answer
    x = 531,192,608.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.