Home / 414,450,460.80-621,567,326.40-123,239,145.60

Finding the Fourth Proportional to 414,450,460.80, 621,567,326.40 and 123,239,145.60

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Solution

The fourth proportional to 414,450,460.80, 621,567,326.40 and 123,239,145.60 is: 184,826,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,450,460.80 : 621,567,326.40 = 123,239,145.60 : x
  2. Step 2: Convert to fraction form
    414,450,460.80/621,567,326.40 = 123,239,145.60/x
  3. Step 3: Cross multiply
    414,450,460.80x = 621,567,326.40 × 123,239,145.60
  4. Step 4: Simplify right side
    414,450,460.80x = 76,601,426,238,412,320
  5. Step 5: Solve for x
    x = 76,601,426,238,412,320/414,450,460.80
  6. Step 6: Final answer
    x = 184,826,495.53

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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.