Home / 408,898,599,638.61-613,360,394,771.67-140,283,811,911.24

Finding the Fourth Proportional to 408,898,599,638.61, 613,360,394,771.67 and 140,283,811,911.24

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Solution

The fourth proportional to 408,898,599,638.61, 613,360,394,771.67 and 140,283,811,911.24 is: 210,430,004,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,898,599,638.61 : 613,360,394,771.67 = 140,283,811,911.24 : x
  2. Step 2: Convert to fraction form
    408,898,599,638.61/613,360,394,771.67 = 140,283,811,911.24/x
  3. Step 3: Cross multiply
    408,898,599,638.61x = 613,360,394,771.67 × 140,283,811,911.24
  4. Step 4: Simplify right side
    408,898,599,638.61x = 86,044,534,253,952,876,675,072
  5. Step 5: Solve for x
    x = 86,044,534,253,952,876,675,072/408,898,599,638.61
  6. Step 6: Final answer
    x = 210,430,004,724.89

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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.