Home / 414,105,765.48-620,520,121.98-203,774,996.52

Finding the Fourth Proportional to 414,105,765.48, 620,520,121.98 and 203,774,996.52

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Solution

The fourth proportional to 414,105,765.48, 620,520,121.98 and 203,774,996.52 is: 305,348,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,765.48 : 620,520,121.98 = 203,774,996.52 : x
  2. Step 2: Convert to fraction form
    414,105,765.48/620,520,121.98 = 203,774,996.52/x
  3. Step 3: Cross multiply
    414,105,765.48x = 620,520,121.98 × 203,774,996.52
  4. Step 4: Simplify right side
    414,105,765.48x = 126,446,485,697,064,480
  5. Step 5: Solve for x
    x = 126,446,485,697,064,480/414,105,765.48
  6. Step 6: Final answer
    x = 305,348,285.96

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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.