Home / 412,330,213.42-618,943,480.17-166,855,851.34

Finding the Fourth Proportional to 412,330,213.42, 618,943,480.17 and 166,855,851.34

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Solution

The fourth proportional to 412,330,213.42, 618,943,480.17 and 166,855,851.34 is: 250,465,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,330,213.42 : 618,943,480.17 = 166,855,851.34 : x
  2. Step 2: Convert to fraction form
    412,330,213.42/618,943,480.17 = 166,855,851.34/x
  3. Step 3: Cross multiply
    412,330,213.42x = 618,943,480.17 × 166,855,851.34
  4. Step 4: Simplify right side
    412,330,213.42x = 103,274,341,315,107,760
  5. Step 5: Solve for x
    x = 103,274,341,315,107,760/412,330,213.42
  6. Step 6: Final answer
    x = 250,465,131.96

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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.