Home / 1,469,729,019.76-2,028,222,496.27-800,679,562.45

Finding the Fourth Proportional to 1,469,729,019.76, 2,028,222,496.27 and 800,679,562.45

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Solution

The fourth proportional to 1,469,729,019.76, 2,028,222,496.27 and 800,679,562.45 is: 1,104,935,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,729,019.76 : 2,028,222,496.27 = 800,679,562.45 : x
  2. Step 2: Convert to fraction form
    1,469,729,019.76/2,028,222,496.27 = 800,679,562.45/x
  3. Step 3: Cross multiply
    1,469,729,019.76x = 2,028,222,496.27 × 800,679,562.45
  4. Step 4: Simplify right side
    1,469,729,019.76x = 1,623,956,300,860,680,704
  5. Step 5: Solve for x
    x = 1,623,956,300,860,680,704/1,469,729,019.76
  6. Step 6: Final answer
    x = 1,104,935,861.67

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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.