Home / 7,407,982,185.33-11,110,194,066.79-3,420,234,868.77

Finding the Fourth Proportional to 7,407,982,185.33, 11,110,194,066.79 and 3,420,234,868.77

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Solution

The fourth proportional to 7,407,982,185.33, 11,110,194,066.79 and 3,420,234,868.77 is: 5,129,530,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,982,185.33 : 11,110,194,066.79 = 3,420,234,868.77 : x
  2. Step 2: Convert to fraction form
    7,407,982,185.33/11,110,194,066.79 = 3,420,234,868.77/x
  3. Step 3: Cross multiply
    7,407,982,185.33x = 11,110,194,066.79 × 3,420,234,868.77
  4. Step 4: Simplify right side
    7,407,982,185.33x = 37,999,473,146,036,731,904
  5. Step 5: Solve for x
    x = 37,999,473,146,036,731,904/7,407,982,185.33
  6. Step 6: Final answer
    x = 5,129,530,848.67

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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.