Home / 12,544,685,782.38-18,816,901,126.92-3,228,397,506.54

Finding the Fourth Proportional to 12,544,685,782.38, 18,816,901,126.92 and 3,228,397,506.54

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Solution

The fourth proportional to 12,544,685,782.38, 18,816,901,126.92 and 3,228,397,506.54 is: 4,842,563,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,685,782.38 : 18,816,901,126.92 = 3,228,397,506.54 : x
  2. Step 2: Convert to fraction form
    12,544,685,782.38/18,816,901,126.92 = 3,228,397,506.54/x
  3. Step 3: Cross multiply
    12,544,685,782.38x = 18,816,901,126.92 × 3,228,397,506.54
  4. Step 4: Simplify right side
    12,544,685,782.38x = 60,748,436,678,958,235,648
  5. Step 5: Solve for x
    x = 60,748,436,678,958,235,648/12,544,685,782.38
  6. Step 6: Final answer
    x = 4,842,563,435.45

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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.