Home / 510,808,388.72-766,139,829.41-161,008,996.75

Finding the Fourth Proportional to 510,808,388.72, 766,139,829.41 and 161,008,996.75

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Solution

The fourth proportional to 510,808,388.72, 766,139,829.41 and 161,008,996.75 is: 241,490,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,808,388.72 : 766,139,829.41 = 161,008,996.75 : x
  2. Step 2: Convert to fraction form
    510,808,388.72/766,139,829.41 = 161,008,996.75/x
  3. Step 3: Cross multiply
    510,808,388.72x = 766,139,829.41 × 161,008,996.75
  4. Step 4: Simplify right side
    510,808,388.72x = 123,355,405,302,007,424
  5. Step 5: Solve for x
    x = 123,355,405,302,007,424/510,808,388.72
  6. Step 6: Final answer
    x = 241,490,562.86

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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.