Home / 10,621,479,485.15-14,664,257,906.61-6,761,194,001.55

Finding the Fourth Proportional to 10,621,479,485.15, 14,664,257,906.61 and 6,761,194,001.55

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Solution

The fourth proportional to 10,621,479,485.15, 14,664,257,906.61 and 6,761,194,001.55 is: 9,334,659,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,479,485.15 : 14,664,257,906.61 = 6,761,194,001.55 : x
  2. Step 2: Convert to fraction form
    10,621,479,485.15/14,664,257,906.61 = 6,761,194,001.55/x
  3. Step 3: Cross multiply
    10,621,479,485.15x = 14,664,257,906.61 × 6,761,194,001.55
  4. Step 4: Simplify right side
    10,621,479,485.15x = 99,147,892,595,333,414,912
  5. Step 5: Solve for x
    x = 99,147,892,595,333,414,912/10,621,479,485.15
  6. Step 6: Final answer
    x = 9,334,659,331.97

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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.