Home / 456,056,959.05-629,881,552.13-300,120,162.21

Finding the Fourth Proportional to 456,056,959.05, 629,881,552.13 and 300,120,162.21

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Solution

The fourth proportional to 456,056,959.05, 629,881,552.13 and 300,120,162.21 is: 414,509,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,056,959.05 : 629,881,552.13 = 300,120,162.21 : x
  2. Step 2: Convert to fraction form
    456,056,959.05/629,881,552.13 = 300,120,162.21/x
  3. Step 3: Cross multiply
    456,056,959.05x = 629,881,552.13 × 300,120,162.21
  4. Step 4: Simplify right side
    456,056,959.05x = 189,040,153,596,841,568
  5. Step 5: Solve for x
    x = 189,040,153,596,841,568/456,056,959.05
  6. Step 6: Final answer
    x = 414,509,963.82

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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.