Home / 330,985,500,084.72-496,478,256,696.43-79,446,694,193.64

Finding the Fourth Proportional to 330,985,500,084.72, 496,478,256,696.43 and 79,446,694,193.64

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Solution

The fourth proportional to 330,985,500,084.72, 496,478,256,696.43 and 79,446,694,193.64 is: 119,170,042,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985,500,084.72 : 496,478,256,696.43 = 79,446,694,193.64 : x
  2. Step 2: Convert to fraction form
    330,985,500,084.72/496,478,256,696.43 = 79,446,694,193.64/x
  3. Step 3: Cross multiply
    330,985,500,084.72x = 496,478,256,696.43 × 79,446,694,193.64
  4. Step 4: Simplify right side
    330,985,500,084.72x = 39,443,556,233,552,771,153,920
  5. Step 5: Solve for x
    x = 39,443,556,233,552,771,153,920/330,985,500,084.72
  6. Step 6: Final answer
    x = 119,170,042,867.31

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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.