Home / 439,123,584.90-605,991,466.96-240,886,680.52

Finding the Fourth Proportional to 439,123,584.90, 605,991,466.96 and 240,886,680.52

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Solution

The fourth proportional to 439,123,584.90, 605,991,466.96 and 240,886,680.52 is: 332,424,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,123,584.90 : 605,991,466.96 = 240,886,680.52 : x
  2. Step 2: Convert to fraction form
    439,123,584.90/605,991,466.96 = 240,886,680.52/x
  3. Step 3: Cross multiply
    439,123,584.90x = 605,991,466.96 × 240,886,680.52
  4. Step 4: Simplify right side
    439,123,584.90x = 145,975,272,899,439,680
  5. Step 5: Solve for x
    x = 145,975,272,899,439,680/439,123,584.90
  6. Step 6: Final answer
    x = 332,424,123.68

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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.