Home / 777,291,998.64-1,166,142,405.96-279,352,806

Finding the Fourth Proportional to 777,291,998.64, 1,166,142,405.96 and 279,352,806

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Solution

The fourth proportional to 777,291,998.64, 1,166,142,405.96 and 279,352,806 is: 419,102,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,291,998.64 : 1,166,142,405.96 = 279,352,806 : x
  2. Step 2: Convert to fraction form
    777,291,998.64/1,166,142,405.96 = 279,352,806/x
  3. Step 3: Cross multiply
    777,291,998.64x = 1,166,142,405.96 × 279,352,806
  4. Step 4: Simplify right side
    777,291,998.64x = 325,765,153,300,517,120
  5. Step 5: Solve for x
    x = 325,765,153,300,517,120/777,291,998.64
  6. Step 6: Final answer
    x = 419,102,671.67

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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.