Home / 427,897,222.97-641,742,530.69-178,767,868.73

Finding the Fourth Proportional to 427,897,222.97, 641,742,530.69 and 178,767,868.73

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Solution

The fourth proportional to 427,897,222.97, 641,742,530.69 and 178,767,868.73 is: 268,108,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,897,222.97 : 641,742,530.69 = 178,767,868.73 : x
  2. Step 2: Convert to fraction form
    427,897,222.97/641,742,530.69 = 178,767,868.73/x
  3. Step 3: Cross multiply
    427,897,222.97x = 641,742,530.69 × 178,767,868.73
  4. Step 4: Simplify right side
    427,897,222.97x = 114,722,944,482,086,112
  5. Step 5: Solve for x
    x = 114,722,944,482,086,112/427,897,222.97
  6. Step 6: Final answer
    x = 268,108,644.61

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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.