Home / 330,985,555,330.48-496,478,339,556.66-79,446,749,384.32

Finding the Fourth Proportional to 330,985,555,330.48, 496,478,339,556.66 and 79,446,749,384.32

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Solution

The fourth proportional to 330,985,555,330.48, 496,478,339,556.66 and 79,446,749,384.32 is: 119,170,125,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985,555,330.48 : 496,478,339,556.66 = 79,446,749,384.32 : x
  2. Step 2: Convert to fraction form
    330,985,555,330.48/496,478,339,556.66 = 79,446,749,384.32/x
  3. Step 3: Cross multiply
    330,985,555,330.48x = 496,478,339,556.66 × 79,446,749,384.32
  4. Step 4: Simplify right side
    330,985,555,330.48x = 39,443,590,217,501,297,868,800
  5. Step 5: Solve for x
    x = 39,443,590,217,501,297,868,800/330,985,555,330.48
  6. Step 6: Final answer
    x = 119,170,125,651.31

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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.