Home / 7,407,982,186.86-11,110,194,069.09-3,420,234,870.31

Finding the Fourth Proportional to 7,407,982,186.86, 11,110,194,069.09 and 3,420,234,870.31

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Solution

The fourth proportional to 7,407,982,186.86, 11,110,194,069.09 and 3,420,234,870.31 is: 5,129,530,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,982,186.86 : 11,110,194,069.09 = 3,420,234,870.31 : x
  2. Step 2: Convert to fraction form
    7,407,982,186.86/11,110,194,069.09 = 3,420,234,870.31/x
  3. Step 3: Cross multiply
    7,407,982,186.86x = 11,110,194,069.09 × 3,420,234,870.31
  4. Step 4: Simplify right side
    7,407,982,186.86x = 37,999,473,170,972,024,832
  5. Step 5: Solve for x
    x = 37,999,473,170,972,024,832/7,407,982,186.86
  6. Step 6: Final answer
    x = 5,129,530,850.98

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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.