Home / 414,420,272.31-621,323,951.43-250,621,613.58

Finding the Fourth Proportional to 414,420,272.31, 621,323,951.43 and 250,621,613.58

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Solution

The fourth proportional to 414,420,272.31, 621,323,951.43 and 250,621,613.58 is: 375,747,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,420,272.31 : 621,323,951.43 = 250,621,613.58 : x
  2. Step 2: Convert to fraction form
    414,420,272.31/621,323,951.43 = 250,621,613.58/x
  3. Step 3: Cross multiply
    414,420,272.31x = 621,323,951.43 × 250,621,613.58
  4. Step 4: Simplify right side
    414,420,272.31x = 155,717,211,263,288,128
  5. Step 5: Solve for x
    x = 155,717,211,263,288,128/414,420,272.31
  6. Step 6: Final answer
    x = 375,747,089.77

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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.