Home / 438,811,548.54-605,559,790.44-240,568,786.91

Finding the Fourth Proportional to 438,811,548.54, 605,559,790.44 and 240,568,786.91

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Solution

The fourth proportional to 438,811,548.54, 605,559,790.44 and 240,568,786.91 is: 331,984,845.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,811,548.54 : 605,559,790.44 = 240,568,786.91 : x
  2. Step 2: Convert to fraction form
    438,811,548.54/605,559,790.44 = 240,568,786.91/x
  3. Step 3: Cross multiply
    438,811,548.54x = 605,559,790.44 × 240,568,786.91
  4. Step 4: Simplify right side
    438,811,548.54x = 145,678,784,184,596,832
  5. Step 5: Solve for x
    x = 145,678,784,184,596,832/438,811,548.54
  6. Step 6: Final answer
    x = 331,984,845.59

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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.