Home / 439,123,590.89-605,991,475.23-240,886,686.50

Finding the Fourth Proportional to 439,123,590.89, 605,991,475.23 and 240,886,686.50

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Solution

The fourth proportional to 439,123,590.89, 605,991,475.23 and 240,886,686.50 is: 332,424,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,123,590.89 : 605,991,475.23 = 240,886,686.50 : x
  2. Step 2: Convert to fraction form
    439,123,590.89/605,991,475.23 = 240,886,686.50/x
  3. Step 3: Cross multiply
    439,123,590.89x = 605,991,475.23 × 240,886,686.50
  4. Step 4: Simplify right side
    439,123,590.89x = 145,975,278,515,401,536
  5. Step 5: Solve for x
    x = 145,975,278,515,401,536/439,123,590.89
  6. Step 6: Final answer
    x = 332,424,131.94

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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.