Home / 440,093,119.20-660,139,678.80-198,228,415.20

Finding the Fourth Proportional to 440,093,119.20, 660,139,678.80 and 198,228,415.20

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Solution

The fourth proportional to 440,093,119.20, 660,139,678.80 and 198,228,415.20 is: 297,342,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,093,119.20 : 660,139,678.80 = 198,228,415.20 : x
  2. Step 2: Convert to fraction form
    440,093,119.20/660,139,678.80 = 198,228,415.20/x
  3. Step 3: Cross multiply
    440,093,119.20x = 660,139,678.80 × 198,228,415.20
  4. Step 4: Simplify right side
    440,093,119.20x = 130,858,442,339,161,024
  5. Step 5: Solve for x
    x = 130,858,442,339,161,024/440,093,119.20
  6. Step 6: Final answer
    x = 297,342,622.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.