Home / 6,245,689,129.56-8,618,999,984.82-3,387,824,188.83

Finding the Fourth Proportional to 6,245,689,129.56, 8,618,999,984.82 and 3,387,824,188.83

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Solution

The fourth proportional to 6,245,689,129.56, 8,618,999,984.82 and 3,387,824,188.83 is: 4,675,169,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245,689,129.56 : 8,618,999,984.82 = 3,387,824,188.83 : x
  2. Step 2: Convert to fraction form
    6,245,689,129.56/8,618,999,984.82 = 3,387,824,188.83/x
  3. Step 3: Cross multiply
    6,245,689,129.56x = 8,618,999,984.82 × 3,387,824,188.83
  4. Step 4: Simplify right side
    6,245,689,129.56x = 29,199,656,632,098,598,912
  5. Step 5: Solve for x
    x = 29,199,656,632,098,598,912/6,245,689,129.56
  6. Step 6: Final answer
    x = 4,675,169,709.28

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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.