Home / 414,450,435.80-621,567,288.90-123,239,120.60

Finding the Fourth Proportional to 414,450,435.80, 621,567,288.90 and 123,239,120.60

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Solution

The fourth proportional to 414,450,435.80, 621,567,288.90 and 123,239,120.60 is: 184,826,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,450,435.80 : 621,567,288.90 = 123,239,120.60 : x
  2. Step 2: Convert to fraction form
    414,450,435.80/621,567,288.90 = 123,239,120.60/x
  3. Step 3: Cross multiply
    414,450,435.80x = 621,567,288.90 × 123,239,120.60
  4. Step 4: Simplify right side
    414,450,435.80x = 76,601,406,077,762,128
  5. Step 5: Solve for x
    x = 76,601,406,077,762,128/414,450,435.80
  6. Step 6: Final answer
    x = 184,826,458.03

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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.