Home / 442,446,475.20-663,669,712.80-414,134,923.20

Finding the Fourth Proportional to 442,446,475.20, 663,669,712.80 and 414,134,923.20

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Solution

The fourth proportional to 442,446,475.20, 663,669,712.80 and 414,134,923.20 is: 621,202,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,446,475.20 : 663,669,712.80 = 414,134,923.20 : x
  2. Step 2: Convert to fraction form
    442,446,475.20/663,669,712.80 = 414,134,923.20/x
  3. Step 3: Cross multiply
    442,446,475.20x = 663,669,712.80 × 414,134,923.20
  4. Step 4: Simplify right side
    442,446,475.20x = 274,848,805,540,594,016
  5. Step 5: Solve for x
    x = 274,848,805,540,594,016/442,446,475.20
  6. Step 6: Final answer
    x = 621,202,384.80

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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.