Home / 511,489,383.90-767,333,608.65-220,355,943.90

Finding the Fourth Proportional to 511,489,383.90, 767,333,608.65 and 220,355,943.90

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Solution

The fourth proportional to 511,489,383.90, 767,333,608.65 and 220,355,943.90 is: 330,576,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,489,383.90 : 767,333,608.65 = 220,355,943.90 : x
  2. Step 2: Convert to fraction form
    511,489,383.90/767,333,608.65 = 220,355,943.90/x
  3. Step 3: Cross multiply
    511,489,383.90x = 767,333,608.65 × 220,355,943.90
  4. Step 4: Simplify right side
    511,489,383.90x = 169,086,521,620,263,968
  5. Step 5: Solve for x
    x = 169,086,521,620,263,968/511,489,383.90
  6. Step 6: Final answer
    x = 330,576,795.81

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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.