Home / 644,412,775,440.36-966,353,214,999.24-219,975,227,265.80

Finding the Fourth Proportional to 644,412,775,440.36, 966,353,214,999.24 and 219,975,227,265.80

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Solution

The fourth proportional to 644,412,775,440.36, 966,353,214,999.24 and 219,975,227,265.80 is: 329,872,057,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,412,775,440.36 : 966,353,214,999.24 = 219,975,227,265.80 : x
  2. Step 2: Convert to fraction form
    644,412,775,440.36/966,353,214,999.24 = 219,975,227,265.80/x
  3. Step 3: Cross multiply
    644,412,775,440.36x = 966,353,214,999.24 × 219,975,227,265.80
  4. Step 4: Simplify right side
    644,412,775,440.36x = 212,573,768,088,494,297,579,520
  5. Step 5: Solve for x
    x = 212,573,768,088,494,297,579,520/644,412,775,440.36
  6. Step 6: Final answer
    x = 329,872,057,460.74

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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.