Home / 590,449,078.50-814,819,697.22-318,869,524.56

Finding the Fourth Proportional to 590,449,078.50, 814,819,697.22 and 318,869,524.56

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Solution

The fourth proportional to 590,449,078.50, 814,819,697.22 and 318,869,524.56 is: 440,039,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,449,078.50 : 814,819,697.22 = 318,869,524.56 : x
  2. Step 2: Convert to fraction form
    590,449,078.50/814,819,697.22 = 318,869,524.56/x
  3. Step 3: Cross multiply
    590,449,078.50x = 814,819,697.22 × 318,869,524.56
  4. Step 4: Simplify right side
    590,449,078.50x = 259,821,169,454,664,576
  5. Step 5: Solve for x
    x = 259,821,169,454,664,576/590,449,078.50
  6. Step 6: Final answer
    x = 440,039,927.09

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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.