Home / 644,181,958.58-966,200,576.72-177,909,668.96

Finding the Fourth Proportional to 644,181,958.58, 966,200,576.72 and 177,909,668.96

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Solution

The fourth proportional to 644,181,958.58, 966,200,576.72 and 177,909,668.96 is: 266,844,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,181,958.58 : 966,200,576.72 = 177,909,668.96 : x
  2. Step 2: Convert to fraction form
    644,181,958.58/966,200,576.72 = 177,909,668.96/x
  3. Step 3: Cross multiply
    644,181,958.58x = 966,200,576.72 × 177,909,668.96
  4. Step 4: Simplify right side
    644,181,958.58x = 171,896,424,747,495,744
  5. Step 5: Solve for x
    x = 171,896,424,747,495,744/644,181,958.58
  6. Step 6: Final answer
    x = 266,844,518.79

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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.