Home / 439,772,665.28-659,512,516.30-177,389,450.73

Finding the Fourth Proportional to 439,772,665.28, 659,512,516.30 and 177,389,450.73

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Solution

The fourth proportional to 439,772,665.28, 659,512,516.30 and 177,389,450.73 is: 266,025,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,772,665.28 : 659,512,516.30 = 177,389,450.73 : x
  2. Step 2: Convert to fraction form
    439,772,665.28/659,512,516.30 = 177,389,450.73/x
  3. Step 3: Cross multiply
    439,772,665.28x = 659,512,516.30 × 177,389,450.73
  4. Step 4: Simplify right side
    439,772,665.28x = 116,990,563,015,573,696
  5. Step 5: Solve for x
    x = 116,990,563,015,573,696/439,772,665.28
  6. Step 6: Final answer
    x = 266,025,090.36

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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.