Home / 414,420,246.38-621,323,912.51-250,621,587.68

Finding the Fourth Proportional to 414,420,246.38, 621,323,912.51 and 250,621,587.68

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Solution

The fourth proportional to 414,420,246.38, 621,323,912.51 and 250,621,587.68 is: 375,747,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,420,246.38 : 621,323,912.51 = 250,621,587.68 : x
  2. Step 2: Convert to fraction form
    414,420,246.38/621,323,912.51 = 250,621,587.68/x
  3. Step 3: Cross multiply
    414,420,246.38x = 621,323,912.51 × 250,621,587.68
  4. Step 4: Simplify right side
    414,420,246.38x = 155,717,185,412,445,888
  5. Step 5: Solve for x
    x = 155,717,185,412,445,888/414,420,246.38
  6. Step 6: Final answer
    x = 375,747,050.91

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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.