Home / 440,291,260.80-660,268,929.60-133,481,404.80

Finding the Fourth Proportional to 440,291,260.80, 660,268,929.60 and 133,481,404.80

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Solution

The fourth proportional to 440,291,260.80, 660,268,929.60 and 133,481,404.80 is: 200,171,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,291,260.80 : 660,268,929.60 = 133,481,404.80 : x
  2. Step 2: Convert to fraction form
    440,291,260.80/660,268,929.60 = 133,481,404.80/x
  3. Step 3: Cross multiply
    440,291,260.80x = 660,268,929.60 × 133,481,404.80
  4. Step 4: Simplify right side
    440,291,260.80x = 88,133,624,268,800,304
  5. Step 5: Solve for x
    x = 88,133,624,268,800,304/440,291,260.80
  6. Step 6: Final answer
    x = 200,171,186.93

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Why These Related Problems?

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