Home / 456,215,615.62-629,589,928.96-258,006,750.38

Finding the Fourth Proportional to 456,215,615.62, 629,589,928.96 and 258,006,750.38

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Solution

The fourth proportional to 456,215,615.62, 629,589,928.96 and 258,006,750.38 is: 356,056,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,215,615.62 : 629,589,928.96 = 258,006,750.38 : x
  2. Step 2: Convert to fraction form
    456,215,615.62/629,589,928.96 = 258,006,750.38/x
  3. Step 3: Cross multiply
    456,215,615.62x = 629,589,928.96 × 258,006,750.38
  4. Step 4: Simplify right side
    456,215,615.62x = 162,438,451,642,944,672
  5. Step 5: Solve for x
    x = 162,438,451,642,944,672/456,215,615.62
  6. Step 6: Final answer
    x = 356,056,316.53

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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.