Home / 644,412,775,441.36-966,353,215,000.74-219,975,227,266.80

Finding the Fourth Proportional to 644,412,775,441.36, 966,353,215,000.74 and 219,975,227,266.80

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Solution

The fourth proportional to 644,412,775,441.36, 966,353,215,000.74 and 219,975,227,266.80 is: 329,872,057,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,412,775,441.36 : 966,353,215,000.74 = 219,975,227,266.80 : x
  2. Step 2: Convert to fraction form
    644,412,775,441.36/966,353,215,000.74 = 219,975,227,266.80/x
  3. Step 3: Cross multiply
    644,412,775,441.36x = 966,353,215,000.74 × 219,975,227,266.80
  4. Step 4: Simplify right side
    644,412,775,441.36x = 212,573,768,089,790,605,950,976
  5. Step 5: Solve for x
    x = 212,573,768,089,790,605,950,976/644,412,775,441.36
  6. Step 6: Final answer
    x = 329,872,057,462.24

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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.