Home / 629,587,888.78-943,117,083.56-313,501,648.80

Finding the Fourth Proportional to 629,587,888.78, 943,117,083.56 and 313,501,648.80

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Solution

The fourth proportional to 629,587,888.78, 943,117,083.56 and 313,501,648.80 is: 469,622,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,587,888.78 : 943,117,083.56 = 313,501,648.80 : x
  2. Step 2: Convert to fraction form
    629,587,888.78/943,117,083.56 = 313,501,648.80/x
  3. Step 3: Cross multiply
    629,587,888.78x = 943,117,083.56 × 313,501,648.80
  4. Step 4: Simplify right side
    629,587,888.78x = 295,668,760,707,507,392
  5. Step 5: Solve for x
    x = 295,668,760,707,507,392/629,587,888.78
  6. Step 6: Final answer
    x = 469,622,694.43

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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.