Home / 427,139,624.97-589,475,569.28-238,956,692.85

Finding the Fourth Proportional to 427,139,624.97, 589,475,569.28 and 238,956,692.85

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Solution

The fourth proportional to 427,139,624.97, 589,475,569.28 and 238,956,692.85 is: 329,773,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139,624.97 : 589,475,569.28 = 238,956,692.85 : x
  2. Step 2: Convert to fraction form
    427,139,624.97/589,475,569.28 = 238,956,692.85/x
  3. Step 3: Cross multiply
    427,139,624.97x = 589,475,569.28 × 238,956,692.85
  4. Step 4: Simplify right side
    427,139,624.97x = 140,859,132,548,669,872
  5. Step 5: Solve for x
    x = 140,859,132,548,669,872/427,139,624.97
  6. Step 6: Final answer
    x = 329,773,039.81

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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.