Home / 330,985,555,329.48-496,478,339,555.16-79,446,749,383.32

Finding the Fourth Proportional to 330,985,555,329.48, 496,478,339,555.16 and 79,446,749,383.32

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Solution

The fourth proportional to 330,985,555,329.48, 496,478,339,555.16 and 79,446,749,383.32 is: 119,170,125,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985,555,329.48 : 496,478,339,555.16 = 79,446,749,383.32 : x
  2. Step 2: Convert to fraction form
    330,985,555,329.48/496,478,339,555.16 = 79,446,749,383.32/x
  3. Step 3: Cross multiply
    330,985,555,329.48x = 496,478,339,555.16 × 79,446,749,383.32
  4. Step 4: Simplify right side
    330,985,555,329.48x = 39,443,590,216,885,649,539,072
  5. Step 5: Solve for x
    x = 39,443,590,216,885,649,539,072/330,985,555,329.48
  6. Step 6: Final answer
    x = 119,170,125,649.81

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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.