Home / 438,811,433.85-605,559,632.97-240,568,672.31

Finding the Fourth Proportional to 438,811,433.85, 605,559,632.97 and 240,568,672.31

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Solution

The fourth proportional to 438,811,433.85, 605,559,632.97 and 240,568,672.31 is: 331,984,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,811,433.85 : 605,559,632.97 = 240,568,672.31 : x
  2. Step 2: Convert to fraction form
    438,811,433.85/605,559,632.97 = 240,568,672.31/x
  3. Step 3: Cross multiply
    438,811,433.85x = 605,559,632.97 × 240,568,672.31
  4. Step 4: Simplify right side
    438,811,433.85x = 145,678,676,908,123,808
  5. Step 5: Solve for x
    x = 145,678,676,908,123,808/438,811,433.85
  6. Step 6: Final answer
    x = 331,984,687.89

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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.