Home / 465,157,477.67-641,931,011.92-256,327,072.43

Finding the Fourth Proportional to 465,157,477.67, 641,931,011.92 and 256,327,072.43

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Solution

The fourth proportional to 465,157,477.67, 641,931,011.92 and 256,327,072.43 is: 353,738,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,157,477.67 : 641,931,011.92 = 256,327,072.43 : x
  2. Step 2: Convert to fraction form
    465,157,477.67/641,931,011.92 = 256,327,072.43/x
  3. Step 3: Cross multiply
    465,157,477.67x = 641,931,011.92 × 256,327,072.43
  4. Step 4: Simplify right side
    465,157,477.67x = 164,544,296,983,630,560
  5. Step 5: Solve for x
    x = 164,544,296,983,630,560/465,157,477.67
  6. Step 6: Final answer
    x = 353,738,905.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.