Home / 494,965,407.25-742,443,383.71-300,930,393.25

Finding the Fourth Proportional to 494,965,407.25, 742,443,383.71 and 300,930,393.25

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Solution

The fourth proportional to 494,965,407.25, 742,443,383.71 and 300,930,393.25 is: 451,392,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,965,407.25 : 742,443,383.71 = 300,930,393.25 : x
  2. Step 2: Convert to fraction form
    494,965,407.25/742,443,383.71 = 300,930,393.25/x
  3. Step 3: Cross multiply
    494,965,407.25x = 742,443,383.71 × 300,930,393.25
  4. Step 4: Simplify right side
    494,965,407.25x = 223,423,779,425,710,944
  5. Step 5: Solve for x
    x = 223,423,779,425,710,944/494,965,407.25
  6. Step 6: Final answer
    x = 451,392,715.84

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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.