Home / 494,965,406.25-742,443,382.22-300,930,392.25

Finding the Fourth Proportional to 494,965,406.25, 742,443,382.22 and 300,930,392.25

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Solution

The fourth proportional to 494,965,406.25, 742,443,382.22 and 300,930,392.25 is: 451,392,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,965,406.25 : 742,443,382.22 = 300,930,392.25 : x
  2. Step 2: Convert to fraction form
    494,965,406.25/742,443,382.22 = 300,930,392.25/x
  3. Step 3: Cross multiply
    494,965,406.25x = 742,443,382.22 × 300,930,392.25
  4. Step 4: Simplify right side
    494,965,406.25x = 223,423,778,233,376,640
  5. Step 5: Solve for x
    x = 223,423,778,233,376,640/494,965,406.25
  6. Step 6: Final answer
    x = 451,392,714.34

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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.