Home / 729,267,144.96-1,006,227,777.60-431,761,664.64

Finding the Fourth Proportional to 729,267,144.96, 1,006,227,777.60 and 431,761,664.64

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Solution

The fourth proportional to 729,267,144.96, 1,006,227,777.60 and 431,761,664.64 is: 595,735,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,267,144.96 : 1,006,227,777.60 = 431,761,664.64 : x
  2. Step 2: Convert to fraction form
    729,267,144.96/1,006,227,777.60 = 431,761,664.64/x
  3. Step 3: Cross multiply
    729,267,144.96x = 1,006,227,777.60 × 431,761,664.64
  4. Step 4: Simplify right side
    729,267,144.96x = 434,450,580,263,583,680
  5. Step 5: Solve for x
    x = 434,450,580,263,583,680/729,267,144.96
  6. Step 6: Final answer
    x = 595,735,846.96

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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.