Home / 632,489,200.47-872,787,440.66-384,943,195.35

Finding the Fourth Proportional to 632,489,200.47, 872,787,440.66 and 384,943,195.35

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Solution

The fourth proportional to 632,489,200.47, 872,787,440.66 and 384,943,195.35 is: 531,192,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,489,200.47 : 872,787,440.66 = 384,943,195.35 : x
  2. Step 2: Convert to fraction form
    632,489,200.47/872,787,440.66 = 384,943,195.35/x
  3. Step 3: Cross multiply
    632,489,200.47x = 872,787,440.66 × 384,943,195.35
  4. Step 4: Simplify right side
    632,489,200.47x = 335,973,586,267,084,224
  5. Step 5: Solve for x
    x = 335,973,586,267,084,224/632,489,200.47
  6. Step 6: Final answer
    x = 531,192,605.37

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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.