Home / 7,379,651,211.75-10,190,952,116.77-6,977,612,519.77

Finding the Fourth Proportional to 7,379,651,211.75, 10,190,952,116.77 and 6,977,612,519.77

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Solution

The fourth proportional to 7,379,651,211.75, 10,190,952,116.77 and 6,977,612,519.77 is: 9,635,755,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379,651,211.75 : 10,190,952,116.77 = 6,977,612,519.77 : x
  2. Step 2: Convert to fraction form
    7,379,651,211.75/10,190,952,116.77 = 6,977,612,519.77/x
  3. Step 3: Cross multiply
    7,379,651,211.75x = 10,190,952,116.77 × 6,977,612,519.77
  4. Step 4: Simplify right side
    7,379,651,211.75x = 71,108,515,078,340,190,208
  5. Step 5: Solve for x
    x = 71,108,515,078,340,190,208/7,379,651,211.75
  6. Step 6: Final answer
    x = 9,635,755,544.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.