Home / 554,730,571.67-765,528,601.62-300,413,902.43

Finding the Fourth Proportional to 554,730,571.67, 765,528,601.62 and 300,413,902.43

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Solution

The fourth proportional to 554,730,571.67, 765,528,601.62 and 300,413,902.43 is: 414,571,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,730,571.67 : 765,528,601.62 = 300,413,902.43 : x
  2. Step 2: Convert to fraction form
    554,730,571.67/765,528,601.62 = 300,413,902.43/x
  3. Step 3: Cross multiply
    554,730,571.67x = 765,528,601.62 × 300,413,902.43
  4. Step 4: Simplify right side
    554,730,571.67x = 229,975,434,629,993,472
  5. Step 5: Solve for x
    x = 229,975,434,629,993,472/554,730,571.67
  6. Step 6: Final answer
    x = 414,571,408.85

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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.