Home / 330,985,555,306.89-496,478,339,521.35-79,446,749,360.73

Finding the Fourth Proportional to 330,985,555,306.89, 496,478,339,521.35 and 79,446,749,360.73

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Solution

The fourth proportional to 330,985,555,306.89, 496,478,339,521.35 and 79,446,749,360.73 is: 119,170,125,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985,555,306.89 : 496,478,339,521.35 = 79,446,749,360.73 : x
  2. Step 2: Convert to fraction form
    330,985,555,306.89/496,478,339,521.35 = 79,446,749,360.73/x
  3. Step 3: Cross multiply
    330,985,555,306.89x = 496,478,339,521.35 × 79,446,749,360.73
  4. Step 4: Simplify right side
    330,985,555,306.89x = 39,443,590,202,984,098,693,120
  5. Step 5: Solve for x
    x = 39,443,590,202,984,098,693,120/330,985,555,306.89
  6. Step 6: Final answer
    x = 119,170,125,615.94

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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.