Home / 456,215,619.62-629,589,934.48-258,006,754.38

Finding the Fourth Proportional to 456,215,619.62, 629,589,934.48 and 258,006,754.38

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Solution

The fourth proportional to 456,215,619.62, 629,589,934.48 and 258,006,754.38 is: 356,056,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,215,619.62 : 629,589,934.48 = 258,006,754.38 : x
  2. Step 2: Convert to fraction form
    456,215,619.62/629,589,934.48 = 258,006,754.38/x
  3. Step 3: Cross multiply
    456,215,619.62x = 629,589,934.48 × 258,006,754.38
  4. Step 4: Simplify right side
    456,215,619.62x = 162,438,455,585,501,664
  5. Step 5: Solve for x
    x = 162,438,455,585,501,664/456,215,619.62
  6. Step 6: Final answer
    x = 356,056,322.05

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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.