Home / 481,950,120,872.72-722,130,842,923.20-279,924,743,058.65

Finding the Fourth Proportional to 481,950,120,872.72, 722,130,842,923.20 and 279,924,743,058.65

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Solution

The fourth proportional to 481,950,120,872.72, 722,130,842,923.20 and 279,924,743,058.65 is: 419,425,749,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,950,120,872.72 : 722,130,842,923.20 = 279,924,743,058.65 : x
  2. Step 2: Convert to fraction form
    481,950,120,872.72/722,130,842,923.20 = 279,924,743,058.65/x
  3. Step 3: Cross multiply
    481,950,120,872.72x = 722,130,842,923.20 × 279,924,743,058.65
  4. Step 4: Simplify right side
    481,950,120,872.72x = 202,142,290,660,003,118,317,568
  5. Step 5: Solve for x
    x = 202,142,290,660,003,118,317,568/481,950,120,872.72
  6. Step 6: Final answer
    x = 419,425,749,482.05

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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.